RMI TITANIUM CO
S-4, 1998-08-20
ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS
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<PAGE>   1
 
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 20, 1998
 
                                                  REGISTRATION NO. 33-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                    FORM S-4
                             REGISTRATION STATEMENT
                        UNDER THE SECURITIES ACT OF 1933
 
                         RTI INTERNATIONAL METALS, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                <C>                                <C>
             OHIO                               3350                            52-2115953
- -------------------------------    -------------------------------    -------------------------------
  STATE OR OTHER JURISDICTION       (PRIMARY STANDARD INDUSTRIAL      (I.R.S. EMPLOYER IDENTIFICATION
      OF INCORPORATION OR                  CLASSIFICATION                          NO.)
         ORGANIZATION)                      CODE NUMBER)
</TABLE>
 
                            ------------------------
                         RTI INTERNATIONAL METALS, INC.
                               1000 WARREN AVENUE
                               NILES, OHIO 44446
                                 (330) 544-7700
  (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF
                   REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                            ------------------------
 
                               TIMOTHY G. RUPERT
               EXECUTIVE VICE PRESIDENT & CHIEF FINANCIAL OFFICER
                         RTI INTERNATIONAL METALS, INC.
                               1000 WARREN AVENUE
                               NILES, OHIO 44446
                                 (330) 544-7700
 (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                             OF AGENT FOR SERVICE)
                            ------------------------
                                   COPIES TO:
 
<TABLE>
<S>                                                 <C>
             RICHARD D. ROSE, ESQUIRE                            DAWNE S. HICKTON, ESQUIRE
             DAVID G. EDWARDS, ESQUIRE                      VICE PRESIDENT AND GENERAL COUNSEL
 DOEPKEN KEEVICAN & WEISS PROFESSIONAL CORPORATION                 RMI TITANIUM COMPANY
               58TH FLOOR, USX TOWER                                1000 WARREN AVENUE
                 600 GRANT STREET                                    NILES, OHIO 44446
        PITTSBURGH, PENNSYLVANIA 15219-2703                           (330) 544-7700
                  (412) 355-2600
</TABLE>
 
 (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                             OF AGENT FOR SERVICE)
                            ------------------------
 
    APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE OF THE SECURITIES TO THE
PUBLIC: As soon as practicable after this registration statement becomes
effective and the conditions to consummation of the Merger have been satisfied
or waived.
 
    If the securities being registered on this Form are being offered in
connection with the formation of a holding company and there is compliance with
General Instruction G, check the following box.  [ ]
 
    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering.  [ ]
 
    If this Form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]
                            ------------------------
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
   TITLE OF EACH CLASS OF SECURITIES TO          PROPOSED MAXIMUM AGGREGATE
             BE REGISTERED(1)                         OFFERING PRICE(2)                AMOUNT OF REGISTRATION FEE(2)
- ------------------------------------------------------------------------------------------------------------------------
<S>                                         <C>                                    <C>
      Common Stock, par value $0.01                     $455,599,462                             $134,402
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
</TABLE>
 
(1) This Registration Statement relates to shares of common stock of RTI
    International Metals, Inc. ("RTI") issuable to holders of common stock of
    RMI Titanium Company ("RMI") pursuant to the transactions described in the
    Prospectus/Proxy Statement which is a part of this Registration Statement.
    In exchange for one share of RMI common stock, each holder of RMI common
    stock will receive one share of RTI common stock.
 
(2) Estimated solely for the purpose of calculating the registration fee.
    Pursuant to Rule 457(f)(1), the offering price and registration fee are
    computed on the basis of the average of the high and low prices of shares of
    RMI common traded on the New York Stock Exchange within five business days
    prior to the filing of this Registration Statement. The price of $21.6875
    per share of RMI common stock represents such average on August 17, 1998.
    Included in this calculation are 20,521,302 issued and outstanding shares of
    RMI common stock and options to purchase 486,166 shares of RMI Titanium
    common stock.
 
    THE COMPANY HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR DATES
AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE COMPANY SHALL FILE AN
AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION STATEMENT SHALL
THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF THE SECURITIES
ACT OF 1933, OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME EFFECTIVE ON SUCH
DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a), MAY DETERMINE.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
                                AUGUST 31, 1998
 
Dear Shareholders:
 
     The following Proxy Statement is in connection with a Special Meeting of
Shareholders to be held on September 30, 1998 at Mr. Anthony's, 7440 South
Avenue, Boardman, Ohio at 11:00 a.m. Eastern Daylight Savings Time. The SOLE
PURPOSE of the meeting is to seek your approval of a proposal to restructure the
Company by forming a new Ohio holding company, RTI International Metals, Inc.,
which will exchange its shares of common stock on a one-for-one basis for all of
the current outstanding common stock of the Company, following which the Company
will become a wholly-owned subsidiary of RTI International.
 
     Management believes that the use of the holding company structure will
provide greater flexibility in managing existing and future business operations
and will facilitate future acquisitions and strategic alliances. The rights of
the shareholders will be unchanged under the charter and bylaws of the new
holding company.
 
     Whether or not you plan to attend the Meeting, it is important that you
vote your shares. Please promptly read the Proxy Statement and then complete,
sign, date and return your proxy card in the enclosed prepaid envelope.
 
                                            Sincerely,
 
                                            Robert M. Hernandez
                                            Chairman of the Board
<PAGE>   3
 
                                                              1000 Warren Avenue
Niles, Ohio 44446
 
                   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS
                         TO BE HELD SEPTEMBER 30, 1998
 
     A Special Meeting of Shareholders of RMI Titanium Company will be held on
September 30, 1998, at 11:00 a.m., Eastern Time, at Mr. Anthony's, 7440 South
Avenue, Boardman, Ohio, for the following purpose:
 
     1. To consider and act upon the merger of RMI Acquisition Company with and
        into RMI Titanium Company as described in the Proxy Statement/Prospectus
        accompanying this Notice. The effect of the merger will be to create a
        holding company structure, pursuant to which RMI Titanium Company will
        be a wholly owned subsidiary of RTI International Metals, Inc., a newly
        formed Ohio holding company, and the shares of RMI Titanium Company will
        be exchanged for shares of the holding company.
 
     Shareholders of record as of the close of business on August 28, 1998, are
entitled to notice of and to vote at the meeting.
 
                                           By Order of the Board of Directors,
 
                                                     RICHARD M. HAYS
                                                        Secretary
 
Dated: August 31, 1998
 
YOU ARE REQUESTED TO COMPLETE, SIGN, DATE AND RETURN THE ENCLOSED PROXY IN THE
ENCLOSED PREPAID ENVELOPE. THE GIVING OF THE ENCLOSED PROXY WILL NOT AFFECT YOUR
RIGHT TO REVOKE SUCH PROXY OR TO VOTE IN PERSON SHOULD YOU LATER DECIDE TO
ATTEND THE MEETING.
<PAGE>   4
 
PROSPECTUS
 
                         RTI INTERNATIONAL METALS, INC.
                            ------------------------
 
                              RMI TITANIUM COMPANY
                                PROXY STATEMENT
 
                  SOLICITATION OF PROXIES FOR SPECIAL MEETING
                OF SHAREHOLDERS TO BE HELD ON SEPTEMBER 30, 1998
 
     This Proxy Statement/Prospectus is being furnished to the shareholders of
RMI Titanium Company, an Ohio corporation (the "Company" or "RMI"), in
connection with the solicitation of proxies by the Board of Directors of the
Company to be used in voting at the Special Meeting of Shareholders to be held
on September 30, 1998, and at any adjournment or postponement thereof (the
"Special Meeting"), at the time and place and for the purposes listed in the
preceding Notice of Special Meeting of Shareholders. This Proxy
Statement/Prospectus is first being mailed to holders of the Company's Common
Shares on or about August 31, 1998.
 
     At the Special Meeting, the shareholders will be asked to approve the
principal terms of an Agreement of Merger (the "Merger Agreement") among the
Company, RTI International Metals, Inc., an Ohio corporation ("RTI"), and RMI
Acquisition Company, an Ohio corporation ("MergeCo"), pursuant to which a
holding company will be formed. At the time of the Merger, MergeCo will be a
wholly-owned subsidiary of RTI. Pursuant to the Merger Agreement, MergeCo will
merge with and into the Company (the "Merger"), and each outstanding common
share, $0.01 par value per share, or fraction thereof, of the Company ("RMI
Common Shares") will automatically be converted into one common share, $0.01 par
value per share, or fraction thereof, of RTI ("RTI Common Shares"). As a result,
the Company will become a subsidiary of RTI and the holders of RMI Common Shares
will become holders of the RTI Common Shares. RMI Common Shares issuable under
the Company's 1989 Stock Option Incentive Plan, the 1995 Stock Plan, the
Employee Savings and Investment Plan and the Bargaining Unit Employee Savings
and Investment Plan, will be issued as RTI Common Shares after the Merger. See
"Proposal to Form a Holding Company -- Plan of Implementation."
 
     The sole purpose of the Merger is to create a holding company structure.
The Board of Directors believes the holding company structure will provide
greater flexibility in the management of existing and future business
operations. See "Proposal to Form a Holding Company -- Reasons for the Formation
of a Holding Company."
 
     This Proxy Statement/Prospectus also constitutes the Prospectus of RTI
under the Securities Act of 1933, as amended (the "1933 Act"), for the issuance
of up to 21,007,468 RTI Common Shares, $0.01 par value, to be issued in exchange
for the RMI Common Shares in the Merger. This Proxy Statement/Prospectus does
not cover any resales of RTI Common Shares to be received by the shareholders of
the Company in the Merger, and no person is authorized to make any use of this
Proxy Statement/Prospectus in connection with any such resale. For further
information concerning the stock offered hereby, see "Proposal to Form a Holding
Company -- Principal Terms of the Merger" and " -- Articles of Incorporation,
Code of Regulations and Rights of Shareholders."
                            ------------------------
 
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
 EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
   AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
 ACCURACY OR ADEQUACY OF THIS PROSPECTUS/PROXY STATEMENT. ANY REPRESENTATION TO
                      THE CONTRARY IS A CRIMINAL OFFENSE.
<PAGE>   5
 
     THIS PROXY STATEMENT/PROSPECTUS AND THE ACCOMPANYING FORM OF PROXY ARE
FIRST BEING MAILED TO SHAREHOLDERS OF THE COMPANY ON OR ABOUT AUGUST 31, 1998. A
SHAREHOLDER WHO HAS GIVEN A PROXY MAY REVOKE IT AT ANY TIME BEFORE IT IS
EXERCISED.
 
     NO PERSON IS AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATION WITH RESPECT TO THE MATTERS DESCRIBED IN THIS PROXY STATEMENT/
PROSPECTUS OTHER THAN THOSE CONTAINED HEREIN OR IN THE DOCUMENTS INCORPORATED BY
REFERENCE HEREIN. ANY INFORMATION OR REPRESENTATIONS WITH RESPECT TO SUCH
MATTERS NOT CONTAINED HEREIN OR THEREIN MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY RTI OR THE COMPANY. THIS PROXY STATEMENT/PROSPECTUS DOES NOT
CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY ANY SECURITIES
OR THE SOLICITATION OF A PROXY OR AN OFFER TO SELL OR A SOLICITATION OF AN OFFER
TO BUY SUCH SECURITIES IN ANY JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL
TO MAKE SUCH OFFER OR SOLICITATION IN SUCH JURISDICTION. NEITHER THE DELIVERY OF
THIS PROXY STATEMENT/PROSPECTUS NOR ANY DISTRIBUTION OF SECURITIES HEREUNDER
SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE HAS BEEN NO
CHANGE IN THE AFFAIRS OF RTI OR THE COMPANY SINCE THE DATE HEREOF OR THAT THE
INFORMATION IN THIS PROXY STATEMENT/PROSPECTUS OR IN THE DOCUMENTS INCORPORATED
BY REFERENCE HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATES HEREOF OR
THEREOF.
 
                                       ii
<PAGE>   6
 
                             AVAILABLE INFORMATION
 
     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports, proxy statements and other information with the
Securities and Exchange Commission (the "SEC"). Such reports, proxy statements
and other information filed by the Company may be inspected and copied at the
public reference facilities maintained at 450 Fifth Street, N.W., Room 1024,
Washington, D.C. 20549 and at the following Regional Offices of the SEC: Chicago
Regional Office, Suite 1400, 500 West Madison Street, Chicago, Illinois 60661;
and New York Regional Office, Seven World Trade Center, 13th Floor, New York,
New York 10048. Copies of such material may be obtained from the Public
Reference Section of the SEC at 450 Fifth Street, N.W., Room 1024, Washington,
D.C. 20549 upon payment of prescribed fees. The Company is also required to file
electronic versions of these documents with the SEC through the SEC's Electronic
Data Gathering Analysis and Retrieval (EDGAR) system. The SEC maintains a world
wide web site at http://www.sec.gov that contains reports, proxy and information
statements and other information regarding registrants that file electronically
with the SEC. In addition, reports, proxy and information statements and other
information concerning the Company can be inspected at the offices of the New
York Stock Exchange, 20 Broad Street, New York, New York 10005, on which the
Company's Common Shares are listed.
 
     RTI was formed to effectuate the transactions described under "Proposal to
Form a Holding Company." RTI previously has not been subject to the requirements
of the Exchange Act and there is currently no public market for its stock.
However, if the transactions described herein are approved and consummated, RTI
will become subject to the same information, reporting and proxy statement
requirements under the Exchange Act as currently apply to the Company, and such
information will be available for inspection and copying at the offices of the
SEC set forth above. Following the date on which RTI Common Shares will be
listed on the New York Stock Exchange, Exchange Act reports, proxy statements,
and other information concerning RTI will be available for inspection and
copying at such exchange. Following completion of the Merger, the Company will
take steps to no longer be a reporting company under the Exchange Act.
 
     RTI has filed with the SEC a Registration Statement on Form S-4, together
with all amendments and exhibits thereto (the "Registration Statement") under
the Securities Act of 1933 (the "Securities Act"), with respect to the
securities offered hereby. This Prospectus/Proxy Statement does not contain all
of the information set forth in the Registration Statement, certain parts of
which are omitted in accordance with the Rules and Regulations of the SEC. The
Registration Statement, including exhibits and schedules filed therewith, may be
obtained from the SEC's principal office at 450 Fifth Street, N.W., Room 1024,
Washington, D.C. 20549, upon payment of fees prescribed by the SEC. Statements
made in the Prospectus/Proxy Statement as to the contents of any contract,
agreement or other document referred to are not necessarily complete; with
respect to each such contract, agreement or other document filed as an exhibit
to the Registration Statement, reference is made to the exhibit for a more
complete description of the matter involved, and each such statement shall be
deemed qualified in its entirety by such reference.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     1. Annual Report on Form 10-K of RMI for the Year ended December 31, 1997.
 
     2. Quarterly Report on Form 10-Q of RMI for the Quarter ended March 31,
        1998.
 
     3. Quarterly Report on Form 10-Q of RMI for the Quarter ended June 30,
        1998.
 
     4. The description of RMI Common Shares included in the Registration
        Statement on Form 8-A filed September 1, 1989.
 
     Each document filed by the Company pursuant to Section 13(a), 13(c), 14 or
15(d) of the Exchange Act subsequent to the date of this Prospectus/Proxy
Statement and prior to the termination of the offering of the RMI's Common
Shares pursuant hereto shall be deemed to be incorporated by reference in this
Prospectus/Proxy Statement and to be a part of this Prospectus/Proxy Statement
from the date of filing of such document. Any statement contained in this
Prospectus/Proxy Statement or in a document incorporated or deemed to be
incorporated by reference in this Prospectus/Proxy Statement shall be deemed to
be modified or superseded for purposes of the Registration Statement and this
Prospectus/Proxy Statement to the extent that a statement
 
                                       iii
<PAGE>   7
 
contained in this Prospectus/Proxy Statement, or in any subsequently filed
document that also is or is deemed to be incorporated by reference in this
Prospectus/Proxy Statement, modifies or supersedes such statement. Any such
statement so modified or superseded shall not be deemed, except as so modified
or superseded, to constitute a part of the Registration Statement or this
Prospectus/Proxy Statement.
 
     THIS PROSPECTUS INCORPORATES DOCUMENTS BY REFERENCE WHICH ARE NOT PRESENTED
HEREIN OR DELIVERED HEREWITH. THESE DOCUMENTS ARE AVAILABLE WITHOUT CHARGE UPON
WRITTEN OR ORAL REQUEST BY A PERSON TO WHOM THIS PROSPECTUS HAS BEEN DELIVERED
FROM CRYSTAL REVAK, DIRECTOR OF INVESTOR RELATIONS, RMI TITANIUM COMPANY, 1000
WARREN AVENUE, NILES, OHIO 44446; TELEPHONE NUMBER (330) 544-7622. IN ORDER TO
ENSURE TIMELY DELIVERY OF THE DOCUMENTS, ANY REQUEST SHOULD BE MADE BY SEPTEMBER
10, 1998.
 
                                       iv
<PAGE>   8
 
                                    SUMMARY
 
     The following is a summary of certain information contained elsewhere in
this Prospectus/Proxy Statement. The information contained in this summary is
qualified in its entirety by, and should be read in conjunction with, the more
detailed information appearing elsewhere in this Prospectus/Proxy Statement and
the documents incorporated herein by reference.
 
                       PROPOSAL TO FORM A HOLDING COMPANY
 
              THE BOARD OF DIRECTORS RECOMMENDS THAT SHAREHOLDERS
                   VOTE FOR APPROVAL OF THE MERGER AGREEMENT.
 
GENERAL
 
     The Board of Directors believes that it is in the best interest of the
Company and its shareholders to reorganize the corporate structure of the
Company by creating a new holding company. The result of the restructuring will
be to have the Company become a separate wholly-owned subsidiary of the new
parent company, RTI, with the present holders of the RMI Common Shares becoming
holders of RTI Common Shares.
 
     Following the Merger, the Company will continue to conduct its operations
substantially as it currently conducts such operations; however the Company may
cause some of its existing subsidiaries or divisions to be reorganized as
subsidiaries of the holding company. Although the immediate control of the
Company will change from the Company's present shareholders to RTI, the ultimate
control will remain unchanged, as the Company's present shareholders will, upon
completion of the Merger, become shareholders of RTI, owning the same relative
interests and having the same relative voting rights in RTI as they now own and
have in the Company. RTI Common Shares will be listed on the New York Stock
Exchange, just as the Company's Common Shares are currently listed, and RTI
Common Shares will be registered with the Securities and Exchange Commission
("SEC") pursuant to the Exchange Act. The directors of RTI will be the same as
the directors of the Company.
 
PLAN OF IMPLEMENTATION
 
     To implement the restructuring, the Company has caused RTI, a new Ohio
corporation, to be formed. MergeCo, an Ohio corporation, is a wholly-owned
subsidiary of RTI. RTI and MergeCo currently have no businesses or properties of
their own. MergeCo is a transitory corporation, formed solely to effectuate the
Merger, and will cease to exist upon completion of the Merger. See "Proposal to
Form a Holding Company -- Plan of Implementation" for a diagram comparing the
current structure of the Company with the proposed holding company structure to
be effected pursuant to the Merger.
 
     The Company, RTI and MergeCo have approved the Merger Agreement which
provides that, subject to the satisfaction of certain conditions (including,
without limitation, approval of the principal terms of the Merger Agreement by
the shareholders of the Company), the Company will become a wholly-owned
subsidiary of RTI as a result of the merger of MergeCo with and into the
Company. In the Merger, each of the RMI Common Shares, or fraction thereof, will
be automatically converted into one RTI Common Share, or fraction thereof. RMI
Common Shares issuable under the Company's 1989 Stock Option Incentive Plan, the
1995 Stock Plan, the Employee Savings and the Investment Plan and Bargaining
Unit Employee Savings and Investment Plan will be issued as RTI Common Shares
after the Merger. None of the Company's debt will be assumed by RTI in the
Merger. A copy of the proposed form of Merger Agreement is attached hereto as
Appendix A.
 
BUSINESS OF THE COMPANY AND RTI
 
     RTI was formed to effectuate the transactions described herein and does not
currently conduct any businesses or have any properties or assets of its own,
other than the stock of MergeCo.
 
     The principal executive offices of the Company and RTI are located at 1000
Warren Avenue, Niles, Ohio 44446. The main telephone number for each of the
Company and RTI is (330) 544-7700.
 
REASONS FOR THE FORMATION OF A HOLDING COMPANY
 
     The holding company reorganization is intended to provide greater
flexibility in the management of existing and future business operations and to
facilitate entry into new businesses and the formation of joint ventures and
 
                                        1
<PAGE>   9
 
other strategic alliances. The creation of the holding company is expected to
permit: (i) the core titanium production and fabrication business to be
maintained separately from businesses that the holding company may acquire or
initiate; (ii) business units with distinct corporate cultures to be managed
without dilution of their unique characteristics; (iii) the holding company to
be better positioned to take advantage of certain potential state and local tax
savings opportunities; (iv) the holding company to maintain separation between
business units; and (v) the creation of an additional layer of protection to
guard the operating assets and income of each business unit from liabilities of
the others.
 
REQUIRED VOTE
 
     Under the Merger Agreement, and as required by the Amended Articles of
Incorporation of RMI, it is a condition to completion of the Merger that the
principal terms of the Merger Agreement be approved by the holders of shares
representing two-thirds of the outstanding RMI Common Shares. As of the Record
Date there were 20,521,302 RMI Common shares outstanding. As a result, the
affirmative vote of 13,680,868 RMI Common Shares will be required to approve the
Merger. Abstentions and "broker non-votes" will have the same effect as votes
"against" the merger. See "General Information -- Solicitation of Proxy and
Revocability; Voting Securities -- Record Date and Voting Rights."
 
     Each of the Company's directors and executive officers owns less than one
percent (1%) of the voting power of the Company. There will be no change in the
voting power of the Company's directors and executive officers as a result of
the Merger.
 
DISSENTERS' RIGHTS
 
     A record holder of shares not voted in favor of the Merger may seek the
rights of a dissenting shareholder by complying with Ohio law. Dissenters'
rights entitle such holders to receive the "fair cash value" of their shares in
the form of a cash payment under the circumstances provided by Ohio law. In
order to initiate the process, a written demand must be served upon the Company
by the record owner of such shares on or before the tenth day after the
shareholder vote. Beneficial owners of shares must contact the record owner of
the shares, such as a bank or broker, to exercise this right. See "Proposal to
Form a Holding Company -- Dissenters' Rights."
 
NO CHANGE IN DIVIDEND POLICY
 
     RMI has not paid dividends since the second quarter of 1991. When the
Merger takes effect, it is expected that there will be no change in the dividend
policy. The declaration and payment of future dividends and the amount thereof
will be dependant upon RTI's results of operations, financial condition, cash
requirements, future prospects and other factors deemed relevant by the Board of
Directors.
 
ARTICLES OF INCORPORATION, CODE OF REGULATIONS AND RIGHTS OF STOCKHOLDERS
 
     The Articles of Incorporation and Code of Regulations of RTI are
substantially identical to the Articles of Incorporation and Code of Regulations
of the Company. Shareholders of RTI will have substantially identical rights as
they had as shareholders of RMI. See "Proposal to Form a Holding
Company -- Articles of Incorporation, Code of Regulations and Rights of
Stockholders."
 
TERMINATION AND AMENDMENT OF MERGER AGREEMENT
 
     The Merger Agreement may be terminated at any time prior to consummation of
the Merger (whether before or after approval of the principal terms of the
Merger Agreement by the shareholders of the Company) by action of the Board of
Directors of the Company. Subject to applicable law, the Merger Agreement may be
amended, modified or supplemented at any time prior to the effective time of the
Merger by mutual consent of the Boards of Directors of the Company, RTI and
MergeCo.
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     The Merger is intended to be a tax-free reorganization for federal income
tax purposes. The Company will receive an opinion from Doepken Keevican & Weiss
Professional Corporation to the effect that the Merger will constitute a
tax-free reorganization for federal income tax purposes. Consequently, Company
shareholders who will receive only RTI Common Stock pursuant to the Merger will
not recognize gain or loss for federal income tax purposes. The Company's
shareholders are urged to consult their own tax advisors regarding the federal
(and any applicable foreign, state and local) income tax consequences of the
Merger. See "Proposal to Form a Holding Company -- Certain Federal Income Tax
Consequences."
 
                                        2
<PAGE>   10
 
                               MARKET PRICE DATA
 
     The RMI Common Shares are traded on the New York Stock Exchange under the
symbol "RTI". There currently is no public trading market for the shares of RTI.
However, RTI will be listed on the New York Stock Exchange effective upon
consummation of the Merger and public trading in the stock will thereupon
commence. The table below sets forth, for the fiscal quarters indicated, the
high and low closing prices of the RMI Common Shares as reported by the New York
Stock Exchange.
 
<TABLE>
<CAPTION>
                                                              HIGH      LOW
                                                              ----      ---
<S>                                                           <C>       <C>
1996
First Quarter...............................................  $16 1/2   $ 7 7/8
Second Quarter..............................................  $24 3/4   $14
Third Quarter...............................................  $28 1/2   $18 3/4
Fourth Quarter..............................................  $28 1/8   $21
1997
First Quarter...............................................  $28       $17 1/2
Second Quarter..............................................  $28       $20
Third Quarter...............................................  $29 9/16  $20 9/16
Fourth Quarter..............................................  $26 3/16  $16 1/2
1998
First Quarter...............................................  $24 11/16 $20
Second Quarter..............................................  $23 1/8   $20 1/16
Third Quarter (through August 19, 1998).....................  $23 7/8   $20
</TABLE>
 
     On August 19, 1998, the last full trading day prior to the public
announcement of the proposed formation of a holding company, the last reported
sale price of RMI's Common Shares on the New York Stock Exchange was $21 5/8 per
share.
 
     On             , 1998, the most recent practicable date prior to the
mailing of this Proxy Statement/ Prospectus, the last reported sale price of
RMI's Common Shares on the New York Stock Exchange was $     per share.
 
                                        3
<PAGE>   11
 
                         SELECTED FINANCIAL INFORMATION
 
     The following table sets forth selected financial information with respect
to the Company. Such information is derived from, and qualified in its entirety
by reference to, the financial statements contained in certain documents
incorporated by reference herein. No information is included for RTI, since RTI
was formed to effectuate the transactions described herein and does not have any
operating history.
 
     The summary selected financial information as of and for the six month
periods ended June 30, 1998 and 1997 has been derived from the unaudited
Consolidated Financial Statements of RMI, which, in the opinion of the Company,
reflect all adjustments (consisting of only normal recurring adjustments)
necessary for a fair presentation of results of operations and financial
position. The information set forth below should be read in connection with the
Consolidated Financial Statements and "Management's Discussion and Analysis of
Financial Condition and Results of Operations" each incorporated herein by
reference.
 
<TABLE>
<CAPTION>
                           SIX MONTHS ENDED
                               JUNE 30                                  YEARS ENDED DECEMBER 31
                               -------                                  -----------------------
                          1998          1997          1997          1996          1995          1994          1993
                        --------      --------      --------      --------      --------      --------      --------
                             (UNAUDITED)
                                              (DOLLARS IN THOUSANDS EXCEPT FOR PER SHARE DATA)
<S>                     <C>           <C>           <C>           <C>           <C>           <C>           <C>
INCOME STATEMENT DATA:
Sales.................  $185,581      $148,742      $318,530      $251,357      $171,166      $143,392      $127,397
Operating income
  (loss)..............    40,059        25,564        56,315        33,730        (5,220)(1)    (7,971)      (10,764)
Income (loss) before
  cumulative effect of
  a change in
  accounting
  principle...........    45,463        23,008        60,085        31,759        (4,608)(3)   (11,562)      (11,955)
Net income (loss).....    45,463(9)     23,008        60,085(2)     31,759        (4,608)(3)   (12,764)(4)   (28,893)(5)
BALANCE SHEET DATA:
  (at end of period)
Working Capital.......  $205,220      $158,079      $184,824      $132,136      $ 86,738      $ 74,694      $ 66,319
Total assets..........   337,533       238,054       291,309       215,880       171,559       160,810       152,647
Long-term debt........        --            --            --         3,600        64,020        54,740        66,660
Equity................   266,907       182,662       221,173       158,736(6)     36,889        42,596(7)     27,861
NET INCOME (LOSS) PER
  COMMON SHARE: (8)
Before change in
  accounting
  principle...........  $   2.22      $   1.13      $   2.94      $   1.71      $  (0.30)     $  (1.45)     $  (8.14)
Net income (loss):
  Basic...............  $   2.22      $   1.13      $   2.94      $   1.71      $  (0.30)     $  (1.60)     $ (19.67)
  Diluted.............      2.20          1.12          2.92          1.70         (0.30)        (1.60)       (19.67)
</TABLE>
 
- ---------
 
(1) Includes a $5.0 million charge reflecting the June 30, 1995 adoption of
    Statement of Financial Accounting Standards ("SFAS") No. 121.
 
(2) Includes a $8.7 million income tax benefit. See Note 8 to the Consolidated
    Financial Statements.
 
(3) Includes a $5.0 million charge reflecting the adoption of SFAS No. 121 and a
    $7.2 million income tax benefit.
 
(4) Includes a $1.2 million charge reflecting the adoption of SFAS No. 112.
 
(5) Includes a $16.9 million charge reflecting the adoption of SFAS No. 106.
 
(6) Includes a $80.3 million increase resulting from the net proceeds of a
    common stock offering.
 
(7) Includes a $26.4 million increase resulting from the net proceeds of a
    rights offering.
 
(8) 1993 Common Share data has been adjusted to reflect a March 31, 1994
    one-for-ten reverse stock split.
 
(9) Includes a $16.1 million income tax benefit. See Note 3 to the Consolidated
    Financial Statements for the period ended June 30, 1998.
 
                                        4
<PAGE>   12
 
                           FORWARD-LOOKING STATEMENTS
 
     Certain statements incorporated by reference or made in this Proxy
Statement/Prospectus are "forward-looking statements" within the meaning of the
Private Securities Litigation Reform Act of 1995. Such forward-looking
statements include, without limitation, statements regarding estimates of
industry shipments, the future availability and prices of raw materials, the
availability of capital on acceptable terms, the competitiveness of the titanium
industry, the impact of year 2000, potential environmental liabilities, the
Company's order backlog and the conversion of that backlog into revenue, the
Company's strategies and other statements contained herein that are not
historical facts. Because such forward-looking statements involve risks and
uncertainties, there are important factors that could cause actual results to
differ materially from those expressed or implied by such forward-looking
statements. Factors that could cause actual results to differ materially
include, but are not limited to, changes in global economic and business
conditions (including in the aerospace markets), the Company's ability to
recover its raw material costs in the pricing of its products, the availability
of capital on acceptable terms, actions of competitors, the extent to which the
Company is able to develop new markets for its products, the time required for
such development and the level of demand for such products, changes in the
Company's business strategies, and other factors discussed under "Risk Factors."
 
                                  RISK FACTORS
 
     The following factors should be considered in connection with an investment
in shares of RTI's Common Stock. Any one or more of such factors may cause RTI's
actual results for various financial reporting periods to differ materially from
those expressed in any forward-looking statements made by or on behalf of the
Company or RTI.
 
DEPENDENCE ON CYCLICAL AEROSPACE MARKETS
 
     The U.S. titanium industry, including the Company, is largely dependent on
the aerospace industry, which has traditionally consumed the majority of
titanium mill products produced in the U.S. Sales to the aerospace industry
accounted for approximately 73% of Company's sales in the first six months of
1998, and 76% of the Company's annual sales in 1997, 73% in 1996 and 75% in
1995.
 
     The cyclical nature of the aerospace industry has been the principal cause
of the fluctuations in performance of companies in the titanium industry. Prior
to the years 1989 and 1990, the last peak in the titanium industry cycle
occurred during the years 1979 through 1982. While U.S. industry mill products
shipment volumes, as reported by the U.S. Geological Survey, averaged
approximately 52.52 million pounds for the years 1988 through 1990, such
shipments dropped to an average of approximately 35.20 million pounds for the
years 1991 through 1994. The declining U.S. military budget and production
cutbacks at Boeing and Airbus Industries resulting from reduced commercial
airline demand for new aircraft negatively affected demand and prices for
titanium products until 1995, when demand for titanium products used in the
production of commercial aircraft increased. In 1995, most major U.S. commercial
airline carriers reported stronger operating profits and, beginning in the
second half of 1995 and continuing into 1998, aircraft manufacturers began to
increase aircraft build rates. Based upon data published by the U.S. Geological
Survey, the Company estimates that total mill product shipments from the
domestic titanium industry totaled approximately 62 million pounds in 1997, the
largest single shipping year in the history of the industry. No assurance can be
given as to the extent or duration of the recovery in the commercial aerospace
market or the extent to which such recovery will result in increases in demand
for titanium products.
 
     Management believes that if the titanium industry experiences an extended
downturn, the Company may require additional capital to maintain its operations
and competitive position. No assurance can be given that the Company will have
access to such capital when required.
 
POTENTIAL LIMITATIONS ON ACCESS TO CAPITAL
 
     The Company's Credit Agreement dated June 8, 1998 (the "Credit Facility")
contains covenants requiring, among other things, that the Company maintain a
minimum ratio of consolidated earnings before interest and taxes to consolidated
interest expense and a minimum consolidated net worth. If the Company is unable
to
 
                                        5
<PAGE>   13
 
comply with these covenants, any borrowings under the Credit Facility could
become due and the Company's ability to obtain capital could be impaired.
 
DEPENDENCE ON OTHERS FOR RAW MATERIALS AND CERTAIN CONVERSION SERVICES
 
     The Company is dependent on third parties for titanium sponge, its basic
raw material. The Company is party to long-term contracts, one of which is with
a competing producer of mill products. The Company also purchases sponge on a
spot basis from a number of other third party suppliers. Should the Company's
ability to purchase sufficient quantities of sponge be disrupted for any reason,
it could have a material adverse effect upon the Company.
 
     If demand for titanium products continues to increase, it is possible that
supplies of titanium sponge could become limited or that prices could increase
substantially, or both, and, as a result, that the Company's costs could rise
accordingly. To the extent that the Company is unable to recover its increased
costs, operating results may be adversely affected.
 
     The Company is dependent upon the services of outside converters to perform
important conversion services with respect to certain of its products. An
interruption in these functions could have an adverse effect on the Company's
business in the short term.
 
ENVIRONMENTAL CONTINGENCIES
 
     The Company is subject to pervasive environmental laws and regulations as
well as various health and safety laws and regulations that are subject to
frequent modifications and revisions. While the costs of compliance for these
matters have not had a material adverse impact on the Company in the past, it is
impossible to predict accurately the ultimate effect these changing laws and
regulations, and the enforcement thereof, may have on it in the future. The
Company is involved in investigative or cleanup projects under federal or state
environmental laws at a number of waste disposal sites, including a Superfund
site. The Company can give no assurance that additional environmental
investigation or remediation obligations at other locations will not be asserted
against it or entities for which it may be responsible, whether by contract
(including indemnity agreements relating to environmental matters) or by
operation of law.
 
     The Company is one of 31 companies identified by the U.S. Environmental
Protection Agency (the "EPA") as a potentially responsible party ("PRP") under
the Comprehensive Environmental Response, Compensation and Liability Act
("CERCLA") with respect to a superfund site in Ashtabula, Ohio. In 1986, the EPA
estimated the cost of remediation to be $48 million. Recent studies, based upon
improved remediation technology and redefined cleanup standards, have estimated
the cost of remediation of this site to be approximately $25 million. The actual
cost of remediation may vary from the estimates based upon a number of factors.
Under CERCLA, a PRP's liability can be joint and several and, therefore, the
Company could be liable for the entire amount. Under allocation agreements with
other PRP's, RMI's share has been established at approximately 10%. Actual
percentages may be more or less.
 
     At June 30, 1998, the Company had accrued $3.5 million for future
environmental-related costs. Based on available information, the Company
believes that its share of potential environmental-related costs will be in the
range of $4.2 to $7.0 million in the aggregate, before expected contributions
from third parties (which does not include any amounts from insurers) of $2.1
million which the Company believes are probable. As these proceedings continue
toward final resolution, amounts in excess of those already provided may be
necessary to discharge the Company from its obligations for these projects. The
ultimate resolution of environmental matters could, individually or in the
aggregate, be material to RMI's consolidated financial statements.
 
NO ASSURANCES AS TO NEW PRODUCT AND MARKET DEVELOPMENT
 
     In an effort to lessen its dependence on the aerospace market and to
increase its participation in other markets, the Company has been devoting
significant resources to developing new markets and applications for its
products, principally in the oil and gas and geothermal energy production
industries. The Company cannot give any assurances as to the extent to which it
will be able to develop new markets for its products, the time required for such
development or the level of demand for such products. The consequence of failure
to develop these new markets would be that the Company's dependence on the
cyclical aerospace industry would not be reduced.
 
                                        6
<PAGE>   14
 
TITANIUM INDUSTRY HIGHLY COMPETITIVE
 
     The titanium metals industry is highly competitive on a worldwide basis.
Competition is primarily on the basis of price, quality and timely delivery.
Titanium also competes with other metals such as stainless steel and nickel
based corrosion resistant alloys. A metal manufacturing company with rolling and
finishing facilities could participate in the mill product segment of the
titanium industry. However, entry into the titanium industry at a greenfield
site would require a significant investment of capital and extensive technical
expertise.
 
     Producers of titanium mill products are located primarily in the U.S.,
Japan, Russia, Europe and China. Currently, all domestic producers manufacture
mill products, at least in part, from purchased sponge, scrap or ingot. Two of
the Company's competitors produce a portion of their own sponge.
 
     Imports of titanium mill products from countries that receive the
most-favored-nation ("MFN") tariff rate are subject to 15% tariff. The tariff
rate applicable to imports from countries that do not receive MFN treatment is
45%. Japanese producers, which benefit from MFN treatment, participate
significantly in the European market, but historically have not been a major
factor in the U.S. mill products market. The United States currently grants MFN
treatment to imports, including titanium mill product imports, from the former
Soviet Union countries, including Russia. Effective October 18, 1993, the U.S.
Government extended the benefits of the Generalized System of Preferences
("GSP") to Russia. Under GSP, the U.S. grants duty-free access to semifinished
and agricultural products from developing countries and territories. Certain
wrought titanium products are covered by GSP up to certain competitive needs
based limits, which effectively restrict the volume of imports for these
products. However, unwrought products such as titanium sponge, ingot and billet
have not yet been afforded GSP treatment. In 1995, a Russian producer began to
participate in the U.S. market for titanium mill products. This titanium
producer has the largest rated capacity in the world (although management
believes practical capacity is substantially less).
 
     In the second half of 1997, this Russian producer filed two separate
petitions under the trade laws. The first sought GSP treatment for unwrought
products from Russia (sponge, powders, ingot and billet). The second petition
sought removal of the competitive needs limits for wrought products (plate,
sheet, pipe, etc.). The competitive needs limit was actually exceeded by this
producer in 1997. In August 1998, the GSP treatment was granted for wrought
products; however the treatment for unwrought products is still pending.
 
     The Company believes that any significant increase in the imports of
wrought products from Russia without a similar favorable GSP treatment granted
for unwrought products could materially affect competition in the domestic
titanium industry.
 
PRINCIPAL SHAREHOLDER
 
     As of the Record Date, USX Corporation ("USX") was the owner of 5,483,600
shares of RMI Common Stock, constituting approximately 27% of the outstanding
shares of RMI Common Stock. USX may be able to exercise effective control over
RTI through its representation on the Board of Directors of RTI and by reason of
its substantial voting power with respect to the election of directors and
actions requiring shareholder approval. In December 1996, USX issued in a public
offering 6 3/4% Exchangeable Notes due February 2000 ("Debt Exchangeable for
Common Stock" or "DECS") the principal amount of which is mandatorily
exchangeable at maturity for up to 5,483,600 shares of RMI Common Stock owned by
USX, or at USX's option, an equivalent amount of cash. The Company is unable to
predict the effect on the relationship between RMI and USX of any transfer by
USX (upon maturity of the DECS or otherwise) of shares of Common Stock held by
USX.
 
POTENTIAL CONFLICTS OF INTEREST
 
     Two executives of USX (one of whom is a director of USX) and one
non-employee director of USX are current directors of the Company and will serve
on RTI's ten-member Board of Directors. One of these USX executives will also
serve as RTI's Chairman. These individuals will owe fiduciary duties to RTI and
USX and it is possible that the interests of one entity may differ from the
interests of the other. Members of the RTI's prospective Board of Directors have
been advised generally to abstain from voting on matters where they may have a
conflict of interest. If a director were to vote in spite of a potential
conflict of interest, there is a possibility that such director may not vote
consistent with RTI's best interest.
 
                                        7
<PAGE>   15
 
ANTI-TAKEOVER EFFECT OF CERTAIN PROVISIONS
 
     Certain provisions of the RTI's Articles of Incorporation and its Credit
Facility and Ohio law could discourage potential acquisition proposals and could
delay or prevent a change in control of the Company. The Company is, and RTI
will be, authorized to issue up to five million shares of Preferred Stock, the
relative rights and preferences of which may be fixed by RTI's Board of
Directors (subject to the provisions of the Articles of Incorporation), without
shareholder approval. Although the Company has no present plans to issue any
shares of Preferred Stock, the future issuance thereof may have the effect of
delaying, deferring or preventing a change in control of RTI or the payment of
dividends on Common Stock. The issuance of Preferred Stock could also adversely
affect the voting power of the holders of Common Stock, including the loss of
voting control to others. Both the Company's current and RTI's proposed Articles
of Incorporation provide that certain extraordinary transactions, such as
certain mergers and consolidations, a sale or disposition of all or
substantially all of the assets, a dissolution and any amendment to the Articles
of Incorporation, require a two-thirds vote of the shareholders. Other
provisions of the Code of Regulations provide that directors may be removed only
for cause and special meetings may be called only by a shareholder or
shareholders holding 50% of the shares of stock entitled to vote. The
acquisition by any person or group (other than USX) of beneficial ownership of
25% or more of the voting capital stock of RTI and, within any twelve month
period, individuals who were directors of RTI ceasing to constitute a majority
of the Board of Directors of RTI will constitute events of default under the
Credit Facility entitling the banks to accelerate the maturity of the Company's
borrowings thereunder.
 
IMPACT OF YEAR 2000
 
     Some older computer programs were written using two digits rather than four
to define the applicable year. As a result, those computer programs have
time-sensitive software that recognizes a date using "00" as the year 1900
rather than 2000. This failure to use four digits to define the applicable year
has created what is commonly referred to as the "Year 2000 Issue" and could
cause a system failure or miscalculations causing disruption of operations,
including a temporary inability to process transactions or engage in similar
normal business activities. The Company has and will continue to make certain
investments in its application software in an effort to ensure the Company is
Year 2000 compliant. In addition, the Company is monitoring the compliance
efforts of entities with which it interacts. While it is not possible, at
present, to accurately estimate the incremental cost of this effort, the Company
does not anticipate it will have a material impact on the long-term results of
operations, liquidity or consolidated financial position of the Company or RTI.
The Company's ability to achieve Year 2000 compliance and the level of
incremental costs associated therewith could be adversely impacted by, among
other things, the availability and cost of programming and testing resources,
vendors' ability to modify proprietary software and unanticipated problems
identified in the ongoing compliance review. In addition, the Company has
limited or no control over the actions of proprietary software vendors,
customers, suppliers and other entities with which it interacts. Therefore, Year
2000 compliance problems experienced by these entities could adversely affect
the results of the Company. At June 30, 1998, the Company estimates that
approximately 90% of its internally developed proprietary software has been
modified to make it Year 2000 compliant.
 
LABOR RELATIONS
 
     United Steelworkers of America ("USWA") represents the production and
maintenance as well as the clerical and technical employees at the Company's
main production facility at Niles, Ohio. The current three year labor agreement
with the USWA expires on September 30, 1998. Negotiations for a new contract
have begun, and the Company is hopeful of reaching a mutually satisfactory
agreement prior to expiration of the current contract. Failure to do so could
have a material adverse impact upon the Company.
 
                              GENERAL INFORMATION
 
INTRODUCTION
 
     This Proxy Statement/Prospectus is furnished in connection with the
solicitation by the Board of Directors of RMI of proxies to be voted at the
Special Meeting of Shareholders of the Company (the "Special Meeting") and any
adjournments thereof. This Proxy Statement/Prospectus also serves as the
Prospectus of RTI with respect to the offering of shares of RTI to shareholders
of the Company.
 
                                        8
<PAGE>   16
 
     At the Special Meeting, shareholders will be asked to consider and vote
upon the Merger described in the Merger Agreement. A copy of the proposed form
of Merger Agreement is attached to this Proxy Statement/ Prospectus as Exhibit A
and is incorporated herein by reference. Under the terms of the Merger
Agreement, MergeCo, will be merged with and into the Company. The Company will
be the surviving corporation in the Merger and will become a wholly-owned
subsidiary of RTI. Upon consummation of the Merger, each RMI Common Share, or
fraction thereof, will be converted into one RTI Common Share, or fraction
thereof. The rights, preferences, privileges and restrictions of the RTI Common
Shares will be substantially identical to those of the RMI Common Shares being
converted.
 
SOLICITATION OF PROXY AND REVOCABILITY; VOTING SECURITIES DATE, TIME AND PLACE
OF SPECIAL MEETING
 
     The Special Meeting will be held on September 30, 1998 at 11:00 a.m.
Eastern time at Mr. Anthony's, 7440 South Avenue, Boardman, Ohio.
 
RECORD DATE AND VOTING RIGHTS
 
     Only holders of record of RMI Common Shares stock at the close of business
on August 28, 1998 (the "Record Date") are entitled to notice of and to vote at
the Special Meeting. At the Record Date, there were 20,521,302 shares of RMI
Common Shares issued and outstanding.
 
     Votes cast by proxy or in person at the Special Meeting will be counted by
an inspector of election appointed by the Board of Directors to act as an
election inspector for the Special Meeting. Shares represented by proxies that
reflect abstentions will be treated as present and entitled to vote for purposes
of determining the presence of a quorum. Abstentions, however, will not
constitute a vote "for" or "against" any matter. As a result, abstentions will
have the same effect as votes "against" the formation of any holding company.
 
     Shares referred to as "broker non-votes" (i.e., shares held by brokers or
nominees as to which instructions have not been received from the beneficial
owners or persons entitled to vote and as to which the broker has physically
indicated on the proxy that the broker or nominee does not have discretionary
power to vote on a particular matter) will be treated as shares that are present
and entitled to vote for purposes of determining the presence of a quorum.
However, for purposes of determining the outcome of the formation of the holding
company, if the broker has physically indicated on the proxy that it does not
have discretionary authority to vote, those shares will be treated as not
present and not entitled to vote with respect to that matter (even though those
shares are considered present for quorum purposes and, consequently, will have
the effect of a vote "against" the matter. Any unmarked proxies, including those
submitted by brokers or nominees, will be voted "for" the formation of the
holding company.
 
     Assuming the presence of a quorum, the shareholders present at the meeting
may continue to do business until adjournment, notwithstanding the withdrawal of
shareholders holding sufficient voting power to leave less than a quorum, if any
action taken (other than adjournment) is approved by at least a majority of the
voting power required to constitute a quorum.
 
VOTING BY PROXY
 
     Regardless of whether or not shareholders plan to attend the meeting in
person, all shareholders of the Company are urged to use the enclosed proxy card
to vote their shares. The execution of a proxy will not affect the right to
attend the Special Meeting and vote in person. A person who has given a proxy
may revoke it at any time before it is exercised at the Special Meeting by
filing with the Company a written notice of revocation or a proxy in either case
bearing a later date or by attendance at the Special Meeting and voting in
person (or presenting at the meeting such written notice of the revocation of
the proxy). Attendance at the Special Meeting will not, by itself, revoke a
proxy.
 
ADJOURNMENTS
 
     The Special Meeting may be adjourned, even if a quorum is not present, by a
majority of the votes of shareholders represented at the Special Meeting in
person or by proxy. In the absence of a quorum at the Meeting, no other business
may be transacted at the Meeting.
 
                                        9
<PAGE>   17
 
     Notice of the adjournment of a meeting need not be given if the time and
place thereof are announced at the meeting at which the adjournment is taken,
provided that if the adjournment is for more than 45 days, or if after the
adjournment a new record date is fixed for the adjourned meeting, a notice of
the adjourned meeting will be given to each shareholder of record entitled to
vote at the meeting. At adjourned meetings, any business may be transacted which
might have been transacted at the original meeting.
 
SOLICITATION OF PROXIES
 
     The accompanying proxy relating to the meeting is being solicited by the
Board of Directors of the Company for use at the Special Meeting. This statement
and the accompanying proxy are being sent to shareholders on or about August 31,
1998.
 
     The Company will bear the entire cost of preparing, assembling, printing
and mailing these proxy statements, the proxies and any additional materials
which may be furnished by the Board to shareholders. The solicitation of proxies
will be made by the use of the U.S. Postal Service and may also be made by
telephone, telegraph, or personally, by directors, officers and regular
employees of the Company who will receive no extra compensation for such
services. Arrangements also will be made with brokerage firms and other
custodians, nominees and fiduciaries to forward proxy solicitation material to
the beneficial owners of RMI Common Shares held of record by such persons and
the Company will reimburse such brokerage firms, custodians, nominees and
fiduciaries for reasonable out-of-pocket expenses incurred by them in connection
therewith. In addition, the Company has retained Georgeson & Company, Inc., a
proxy distribution and solicitation firm, to assist in the distribution and
solicitation of proxies for shares held in the names of brokers, banks and other
nominees, for a fee not to exceed $10,000 plus reimbursement of reasonable
out-of-pocket expenses.
 
                       PROPOSAL TO FORM A HOLDING COMPANY
 
              THE BOARD OF DIRECTORS RECOMMENDS THAT SHAREHOLDERS
                   VOTE FOR APPROVAL OF THE MERGER AGREEMENT.
 
GENERAL
 
     The Board of Directors believes that it is in the best interest of the
Company and its shareholders to reorganize the corporate structure of the
Company by creating a new holding company. The result of the restructuring will
be to have the Company become a separate wholly-owned subsidiary of the new
parent company, RTI, with the present holders of the RMI Common Shares becoming
holders of RTI Common Shares.
 
     Following the Merger, the Company will continue to conduct its operations
substantially as it currently conducts such operations; however the Company may
cause some of its existing subsidiaries or divisions to be reorganized as
subsidiaries of the holding company. Although the immediate control of the
Company will change from the Company's present shareholders to RTI, the ultimate
control will remain unchanged, as the Company's present shareholders will, upon
completion of the Merger, become shareholders of RTI, owning the same relative
interest and having the same relative voting rights in RTI as they now own and
have in the Company. RTI Common Shares will be listed on the New York Stock
Exchange, just as the RMI Common Shares are currently listed, and RTI Common
Shares will be registered with the SEC pursuant to the Exchange Act. The
directors of RTI will initially be the same as the directors of the Company.
 
     Initially, RTI is not expected to be an operating company and its assets
will consist principally of the capital stock of the Company. It will derive its
income principally from dividends from its subsidiaries and fees for services
rendered, if any, to its subsidiaries and from any interest on any loans to
subsidiaries. For the immediate future, all Company personnel will remain
principally Company employees and, to the extent such personnel perform services
for RTI or any other subsidiary, the Company will charge RTI or such subsidiary
for such services. Thereafter certain executive and administrative personnel may
become employees of the holding company with fees paid to the holding company by
the subsidiaries using such employees' services.
 
PLAN OF IMPLEMENTATION
 
     To implement the restructuring, the Company has caused RTI, an Ohio
corporation, to be formed. MergeCo, an Ohio corporation, is a wholly-owned
subsidiary of RTI. RTI and MergeCo currently have no businesses or
 
                                       10
<PAGE>   18
 
properties of their own. MergeCo is a transitory corporation, formed solely to
effectuate the Merger, and will cease to exist upon completion of the Merger.
 
     The Company, RTI and MergeCo have approved the Merger Agreement, which
provides that, subject to the satisfaction of certain conditions (including,
without limitation, shareholder approval of the principal terms of the Merger
Agreement), the Company will become a wholly-owned subsidiary of RTI as a result
of the merger of MergeCo with and into the Company. In the Merger, each of the
RMI Common Shares, or fraction thereof, will be automatically converted into one
RTI Common Share, or fraction thereof. RMI Common Shares issuable under the
Company's 1989 Stock Option Incentive Plan, the 1995 Stock Plan, the Employee
Savings and Investment Plan and the Bargaining Unit Employee Savings and
Investment Plan will be issued as RTI Common Shares after the Merger. None of
the Company's debt will be assumed by RTI in the Merger. A copy of the proposed
form of Merger Agreement is attached hereto as Appendix A.
 
     As a result of the foregoing, after the Merger, (i) the current holders of
all of the outstanding stock of the Company will own all of the stock of RTI,
and (ii) RTI will own all of the outstanding stock of the Company, which
initially will constitute all or substantially all of RTI business and
properties. It is expected that RTI will acquire other operating subsidiaries in
the future.
 
     A diagram illustrating the current structure and the proposed structure of
the new holding company organization is set forth below.
 
                               CURRENT STRUCTURE

                             _____________________
                            |                     |
                            | COMMON STOCKHOLDERS |
                            |_____________________|
                                       |
                             __________|__________
                            |                     |
                            |         RMI         |
                            |_____________________|
                                       


                               PROPOSED STRUCTURE

                             _____________________
                            |                     |
                            | COMMON STOCKHOLDERS |
                            |_____________________|
                                       |
                             __________|__________
                            |                     |
                  ----------|         RTI         |---------
                 |          |_____________________|         |
                 |                                          |
        _________|___________                     __________|__________
       |                     |                   |                     |
       |        RMI          |                   | FUTURE ACQUISITIONS |
       |_____________________|                   |_____________________|
                            
 

REASONS FOR THE FORMATION OF A HOLDING COMPANY
 
     The holding company structure is intended to provide greater flexibility in
the management of existing and future business operations. The structure should
facilitate entry into new businesses and the formation of joint ventures and
other strategic alliances. Specifically, the reorganization into a holding
company format will permit the core titanium production and fabrication business
to be maintained separately from other businesses that the holding company may
acquire or initiate. This will permit each business unit to maintain a distinct
corporate culture to be managed without dilution of their unique
characteristics.
                                       11
<PAGE>   19
 
     The holding company structure is also intended to permit flexibility to
structure entities to take advantage of certain potential state and local tax
savings by separating business units that do business in certain localities from
business units in other jurisdictions. The holding company structure can also
create the opportunity to maintain separation between business units.
Additionally, the holding company structure can create an additional layer of
protection to guard the operating assets and income of each business unit from
the liabilities of the others.
 
     As disclosed in the Company's Quarterly Report on Form 10-Q for the quarter
ended June 30, 1998, which is incorporated herein by reference, the Company has
signed letters of intent to acquire Sierra Alloys Company, Inc. and New
Centuries Metals, Inc. If those transactions are consummated it is expected that
they will be acquired as subsidiaries of RTI, thus immediately taking advantage
of the holding company format.
 
PRINCIPAL TERMS OF THE MERGER
 
     General. The following description of the principal terms of the Merger is
subject to and qualified in its entirety by reference to the terms of the Merger
Agreement, a copy of which is attached to this Proxy Statement/ Prospectus as
Exhibit A and is incorporated herein by this reference. The consummation of the
Merger is subject to the condition, among others, that the principal terms of
the Merger Agreement are approved by the shareholders of the Company.
 
     Effective Time of Merger. The Merger Agreement provides that the Merger
will become effective at such date and time as the requisite officers'
certificates and a copy of the Merger Agreement are filed with the Secretary of
State of the State of Ohio (the "Effective Time"). Such filing will not occur
until all the conditions to the Merger have been satisfied or waived. See
"Conditions to the Merger."
 
     Conversion of Shares of Company Stock. Pursuant to the Merger Agreement
each RMI Common Share, or fraction thereof, issued and outstanding immediately
prior to the Merger will be automatically changed and converted into one RTI
Common Share, or fraction thereof.
 
     Optional Exchange of Company Stock Certificates. After the Effective Time,
each holder of a certificate or certificates representing RMI Common Shares
immediately prior to the Merger may, but will not be required to, surrender the
same to the Transfer Agent, and thereupon each holder or transferee will be
entitled to receive a certificate or certificates representing the number of RTI
Common Shares equal to the number of RMI Common Shares surrendered.
 
     Outstanding Certificates. Until surrendered or presented for transfer, each
outstanding stock certificate which, prior to the Effective Time, represented
RMI Common Shares will be deemed and treated for all corporate purposes to
represent the ownership of the same number of shares of RTI Common Shares as
though such surrender or transfer and exchange had taken place. Accordingly,
shareholders are not required to exchange such stock certificates.
 
     Company Stock Transfer Books. The stock transfer books for RMI Common
Shares will be deemed to be closed at the Effective Time such that no transfer
of RMI Common Shares outstanding prior to the Effective Time will thereafter be
made on such books.
 
     Post-Merger Rights of Holders. Following the Effective Time, the holders of
certificates representing RMI Common Shares outstanding immediately prior to the
Effective Time will cease to have any rights with respect to stock of the
Company and their sole rights will be with respect to the RTI Common Shares into
which their RMI Common Shares will have been converted in connection with the
Merger. The rights, preferences, privileges and restrictions of the RTI Common
Shares will be substantially identical to those of the RMI Common Shares being
converted.
 
CONDITIONS TO THE MERGER
 
     The Merger will occur only if the Merger is approved by the requisite vote
of the Company's shareholders. See " -- Required Vote" below. In addition,
consummation of the Merger is subject to satisfaction or waiver of certain other
conditions, including the listing of RTI Common Shares on the New York Stock
Exchange upon official notice of issuance, the absence of the receipt of notice
from holders of more than ten percent of the outstanding RMI Common Stock that
such holders have exercised dissenters' rights, and receipt of an opinion
 
                                       12
<PAGE>   20
 
from Doepken Keevican & Weiss Professional Corporation that the Merger will
constitute a tax-free reorganization for federal income tax purposes.
 
REQUIRED VOTE
 
     Approval of the Merger Agreement pursuant to which a holding company will
be formed requires the affirmative vote of at least two-thirds of the RMI Common
Shares outstanding. As of the Record Date there were 20,521,302 RMI Common
Shares outstanding. As a result, the affirmative vote of 13,680,868 RMI Common
Shares, is required to approve the Merger.
 
DISSENTERS' RIGHTS
 
     The following is a summary of the principal steps which a shareholder must
take to perfect dissenters' rights under Section 1701.85 of the Ohio Revised
Code (the "ORC"). The summary is qualified in its entirety by Section 1701.85 of
the ORC, a copy of which is appended hereto as Appendix B. Failure to take any
one of the required steps may result in termination of the rights of the
shareholder under the ORC.
 
     Exercise of dissenters' rights under the ORC may result in a judicial
determination that the "fair cash value" of the dissenting shareholder's shares
is higher or lower than the market value of the RTI Common Stock to be paid for
each share of RMI Common Stock in the Merger.
 
     Any shareholder of record whose shares are not voted for adoption of the
Merger Agreement may be entitled, if the Merger is consummated, to be paid the
"fair cash value" of such shares held of record on the record date. To be
entitled to such payment, such shareholder must serve a written demand therefor
upon Crystal Revak, Director of Investor Relations, RMI at 1000 Warren Avenue,
Niles, OH 44446 on or before the tenth day after the shareholder vote adopting
the Merger Agreement and must otherwise comply with Section 1701.85 of the ORC.
The Company will not inform shareholders of the expiration of the ten-day period
and, therefore, dissenting shareholders are advised to retain this Proxy
Statement/Prospectus. A vote for adoption of the Merger Agreement constitutes a
waiver of dissenters' rights. Submission of a properly executed proxy without a
designation of "against" or "abstain" will constitute a vote for the Merger
proposal. Failure to vote does not constitute a waiver of dissenters' rights.
The required written demand must specify the shareholder's name and address and
the number of RMI Common Shares held of record on the record date and the amount
claimed as the "fair cash value" of the shares. Voting against adoption of the
Merger Agreement will not of itself constitute a written demand as required by
section 1701.85 of the ORC.
 
     If the Company requests, dissenting shareholders must submit their share
certificates to the Company within 15 days after the making of such request for
endorsement thereon by the Company of a legend that demand for appraisal has
been made. Such certificates will be returned promptly to the dissenting
shareholder by the Company. The Company intends to make such a request to
dissenting shareholders.
 
     If RMI and any dissenting shareholder cannot agree on the "fair cash value"
of the RMI Common Shares, either may, within three months after service of the
demand by the shareholder, file a complaint in the Court of Common Pleas of
Trumbull County, Ohio, for a determination of the "fair cash value" of such
shareholder's RMI Common Shares. The Court, if it determines that the dissenting
shareholder is entitled to be paid the "fair cash value" of the RMI Common
Shares, may appoint one or more appraisers to determine its value. If the Court
approves the appraisers' report, judgment will be entered therefor, and the
costs of the proceeding, including reasonable compensation to the appraisers,
shall be assessed or apportioned as the Court considers equitable. "Fair cash
value" is the amount which a willing seller, under no compulsion to sell, would
be willing to accept, and which a willing buyer, under no compulsion to
purchase, would be willing to pay, but in no event in excess of the amount
specified in the shareholder's demand. "Fair cash value" will be determined as
of the last business day prior to the day on which the shareholder vote is taken
at the Special Meeting and will exclude any appreciation or depreciation in
market value of RMI Common Shares resulting from the Merger proposal. The
Company does not intend to file a complaint for a determination of "fair cash
value." Therefore, if the Company and the dissenting shareholder do not reach
agreement as to the "fair cash value" of the dissenting shareholder's RMI Common
Shares, the dissenting shareholder must timely file such a complaint in order to
have the Court make a determination of the "fair cash value" of such
shareholder's RMI Common Shares under the ORC.
 
                                       13
<PAGE>   21
 
     The right of any dissenting shareholder to be paid the "fair cash value" of
RMI Common Shares will terminate if: (i) for any reason the Merger, although
adopted by shareholder vote, does not become effective; (ii) the dissenting
shareholder fails to serve an appropriate timely written demand upon the
Company; (iii) the dissenting shareholder does not, upon request of the Company,
timely surrender certificates for an endorsement thereon of a legend to the
effect that demand for the "fair cash value" of such RMI Common Shares has been
made; (iv) the demand is withdrawn by the dissenting shareholder, with the
consent of the Board of Directors of RMI; (v) the dissenting shareholder and the
Company shall not have come to an agreement as to the "fair cash value" of the
RMI Common Stock and neither shall have filed a complaint in the Court as
described above; or (vi) the dissenting shareholder has otherwise not complied
with the requirements of Section 1701.85 of the ORC.
 
     From the time a dissenting shareholder's demand is made until the
termination of the right arising from that demand, all rights accruing from such
RMI Common Shares, including dividend and voting rights, shall be suspended. If
the right to receive "fair cash value" is terminated by reason of the failure of
the Merger to be consummated, all such shareholder's rights with respect to RMI
Common Shares shall be restored to the shareholder. If the Merger is
consummated, the dissenting shareholder's rights shall consist solely of the
right to receive the "fair cash value" of his RMI Common Shares and he shall
have no right to continue to hold RMI Common Shares.
 
NO CHANGE IN DIVIDEND POLICY
 
     RMI has not paid dividends since the second quarter of 1991. When the
Merger takes effect, it is expected that there will be no change in dividend
policy. The amount and timing of the dividends on the RTI Common Shares will
depend primarily on the earnings of RTI subsidiaries, principally the Company,
and any restrictions on the payment of dividends applicable to RTI and/or its
subsidiaries (including, without limitation, the Company). The declaration and
payment of future dividends and the amount thereof will be dependent upon RTI's
results of operations, financial condition, cash requirements, future prospects
and other factors, deemed relevant by the Board of Directors.
 
     Initially, the funds required by RTI to operate following the Merger are
expected to be derived primarily from dividends paid by the Company to RTI as
the sole shareholder of the Company. It is anticipated that such cash dividends
paid by the Company to RTI will be sufficient to enable RTI to meet its
operating expenses.
 
TERMINATION AND AMENDMENT OF MERGER AGREEMENT
 
     The Merger Agreement may be terminated at any time prior to the Effective
Time by action of the Board of Directors. Subject to applicable law, the Merger
Agreement may be amended, modified or supplemented at any time prior to the
Effective Time by mutual consent of the Boards of Directors of the Company, RTI
and MergeCo.
 
DIRECTORS AND OFFICERS OF THE COMPANY AND RTI
 
     The persons who are the directors of the Company are also the directors of
RTI.
 
     Following the Special Meeting, the directors of the Company and RTI will
elect officers of the Company and RTI, respectively, to serve until their
successors are elected and qualified. Such additional officers of RTI and the
Company as the Board of Directors considers advisable may be elected or
appointed from time to time.
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     The following discussion generally summarizes certain of the federal income
tax consequences of the Merger under the Internal Revenue Code, as set forth in
the tax opinion obtained from Doepken Keevican & Weiss Professional Corporation,
counsel to the Company, and to RTI. This discussion does not cover all possible
tax consequences relating to the Merger and does not address the tax
consequences under state or local law, or special tax consequences to particular
shareholders having special situations. Accordingly, shareholders are urged to
consult with their own tax advisors regarding the effect of the Merger on them
personally.
 
                                       14
<PAGE>   22
 
     Subject to the foregoing limitations and based on certain representations
made by the Company, the Company has been informed that, for federal income tax
purposes:
 
          (a) The merger of MergeCo into the Company and the issuance of RTI
     Common Stock in connection therewith as described herein will constitute a
     tax-free reorganization under Section 368(a)(1) of the Internal Revenue
     Code of 1986, as amended;
 
          (b) No gain or loss will be recognized by holders of RMI Common Shares
     who receive RTI Common Shares in exchange for the RMI Common Shares which
     they hold;
 
          (c) The holding period of RTI Common Shares received in exchange for
     RMI Common Shares will include the holding period of the RMI Common Shares
     for which it is exchanged, assuming that the RMI Common Shares are capital
     assets in the hands of the holder thereof at the time of the Merger; and
 
          (d) The tax basis of RTI Common Shares received by shareholders of the
     Company pursuant to the Merger will be the same as the tax basis of the RMI
     Common Shares exchanged therefor.
 
     Shareholders are urged to consult with their own tax advisors with respect
to all tax consequences of the Merger. Expenses incurred by any shareholder
arising from disputes with the Internal Revenue Service or any state or any
foreign tax agency over the tax consequences of the Merger will not be borne by
the Company or RTI.
 
ARTICLES OF INCORPORATION, CODE OF REGULATIONS AND RIGHTS OF SHAREHOLDERS
 
     The Articles of Incorporation and Code of Regulations of RTI are
substantially identical to the Articles of Incorporation and Code of
Regulations, respectively, of the Company. As a result, there will be no
substantive difference in the rights of shareholders of RTI from the rights as
they exist for shareholders of the Company.
 
EXCHANGE ACT FILINGS
 
     Following the Merger, RTI will be a reporting company under the Exchange
Act.
 
                              FINANCIAL STATEMENTS
 
     No consolidated financial statements of RTI are presented herein since RTI
presently has no assets or liabilities other than the stock of MergeCo. and any
pro forma consolidated financial statements of RTI would reflect no change from
the financial statements of RMI Titanium prior to the implementation of the
restructuring plan.
 
                                 LEGAL OPINION
 
     Doepken Keevican & Weiss Professional Corporation, as counsel for the
Company and RTI, has rendered an opinion to the effect that the RTI Common
Shares offered in this Proxy Statement/Prospectus will be validly issued, fully
paid, and nonassessable.
 
                                    EXPERTS
 
     The financial statements incorporated in this Prospectus by reference to
the Company's Annual Report on Form 10-K for the year ended December 31, 1997
have been so incorporated in reliance on the report of PricewaterhouseCoopers
LLP, independent accountants, given on the authority of said firm as experts in
auditing and accounting.
 
                                       15
<PAGE>   23
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
     NO DEALER, SALESMAN OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS, AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY. THIS PROSPECTUS DOES
NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF ANY OFFER TO BUY ANY
SECURITIES IN ANY JURISDICTION IN WHICH SUCH AN OFFER OR SOLICITATION WOULD BE
UNLAWFUL. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER
SHALL UNDER ANY CIRCUMSTANCES CREATE ANY IMPLICATION THAT THERE HAS BEEN NO
CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                         PAGE
                                         ----
<S>                                      <C>
Summary................................     1
Market Price Data......................     3
Selected Financial Information.........     4
Forward Looking Statements.............     5
Risk Factors...........................     5
General Information....................     8
Proposal to Form a Holding Company.....    10
  General..............................    10
  Plan of Implementation...............    10
  Reasons for the Formation of a
     Holding Company...................    11
  Principal Terms of the Merger........    12
  Conditions to the Merger.............    12
  Required Vote........................    13
  Dissenters Rights....................    13
  No Change in Dividend Policy.........    14
  Termination and Amendment of Merger
     Agreement.........................    14
  Directors and Officers of the Company
     and RTI...........................    14
  Certain Federal Income Tax
     Consequences......................    14
  Articles of Incorporation, Code of
     Regulations and Rights of
     Shareholders......................    15
  Exchange Act Filings.................    15
Financial Statements...................    15
Legal Opinion..........................    15
Experts................................    15
Appendix A -- Agreement and Plan of
  Merger...............................   A-1
Appendix B -- Section 1701.85 of the
  Ohio Revised Code....................   B-1
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------


- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                               21,007,468 SHARES
 
                               RTI INTERNATIONAL
                                  METALS, INC.
                                  COMMON STOCK
                 ----------------------------------------------
 
                           PROSPECTUS/PROXY STATEMENT
                 ----------------------------------------------
                                AUGUST 31, 1998
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   24
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 20. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
     The Registrant's Code of Resolutions effectively provide that the
Registrant, to the full extent permitted by Section 1701.13 of the Ohio Revised
Code, as amended from time to time ("Section 1701.13"), shall indemnify all
directors and officers of the Company and may indemnify all employees,
representatives and other persons as permitted pursuant thereto.
 
     Section 1701.13 of the Ohio Revised Code permits a corporation to indemnify
its officers, directors and employees (other than in certain cases involving bad
faith, negligence or misconduct) from and against any and all claims and
liabilities to which he or she may become subject by reason of his or her
position, or acts or commissions in such position, including reasonable costs of
defense and settlements (except in connection with shareholder derivative suits,
where indemnification is limited to the costs of defense). Ohio law also permits
corporations to provide broader indemnification than that provided by statute.
 
     RTI maintains insurance against liabilities under the Securities Act of
1933 (the "Securities Act") for the benefit of its officers and directors.
 
     Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers or persons controlling RTI pursuant to
the foregoing provisions, the Company has been informed that in the opinion of
the Securities and Exchange Commission such indemnification is against public
policy as expressed in the Securities Act and is therefore unenforceable.
 
ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.
 
<TABLE>
    <C>      <S>
     2.1     Agreement and Plan of Merger, dated as of August 20, 1998,
             by and among RTI International Metals, Inc., RMI Titanium
             Company and RMI Acquisition Company -- included as Appendix
             A to the prospectus included in this Registration Statement.
     3.1     Articles of Incorporation of RTI International Metals, Inc.,
             filed with the Ohio Secretary of State on August 20, 1998.
     3.2     Articles of Incorporation of the Company, as amended March
             31, 1994, incorporated by reference to Exhibit 3.1 to the
             Company's Quarterly Report on Form 10-Q for the quarterly
             period ended June 30, 1994.
     3.3     Code of Regulations of RTI International Metals, Inc.,
             effective as of August 20, 1998.
     3.4     Amended Code of Regulations of the Company, incorporated by
             reference to Exhibit 3.2 to the Company's Annual Report on
             Form 10-K for the year ended December 31, 1993.
     4.1     Credit Agreement between RMI Titanium Company and PNC Bank,
             National Association dated as of June 8, 1998, incorporated
             by reference to Exhibit 4.1 to RMI Titanium's Quarterly
             Report on Form 10-Q for the quarter ended June 30, 1998.
     5.1     Opinion of Doepken Keevican & Weiss Professional
             Corporation.
     8.1     Opinion of Doepken Keevican & Weiss Professional Corporation
             as to tax matters.
    10.1     Agreement for the sale and purchase of titanium
             tetrachloride between SCM Chemicals, Inc., and RMI Titanium
             Company dated March 9, 1993, incorporated by reference to
             Exhibit 10.13 to the Company's Annual Report on Form 10-K
             for the year ended December 31, 1991 (for which confidential
             treatment has been requested).
    10.2     Agreement for the supply, purchase and sale of chlorine
             between SCM Chemicals, Inc., and RMI Titanium Company dated
             as of November 13, 1990, incorporated by reference to
             Exhibit 10.3 to the Company's Annual Report on Form 10-K for
             the year ended December 31, 1990.
    10.3     RMI Company Annual Incentive Compensation Plan, incorporated
             by reference to Exhibit 10.3 to the Company's Registration
             Statement on Form S-1 No. 33-30667 Amendment No. 2.
</TABLE>
 
                                      II-1
<PAGE>   25
<TABLE>
    <C>      <S>
    10.4     RMI Titanium Company 1989 Stock Option Incentive Plan,
             incorporated by reference to Exhibit 10.4 to the Company's
             Registration Statement on Form S-1 No. 33-30667 Amendment
             No. 2.
    10.5     RMI Titanium Company Supplemental Pension Plan effective
             August 1, 1987, and amended as of December 12, 1990,
             incorporated by reference to Exhibit 10.8 to the Company's
             Annual Report on Form 10-K for the year ended December 31,
             1990.
    10.6     RMI Titanium Company 1989 Employee Restricted Stock Award
             Plan, incorporated by reference to Exhibit 10.6 to the
             Company's Registration Statement on Form S-1, No. 33-30667
             Amendment No. 2.
    10.7     Amendment to RMI Titanium Company 1989 Employee Restricted
             Stock Award Plan, incorporated by reference to Exhibit 10.10
             to the Company's Annual Report on Form 10-K for the year
             ended December 31, 1990.
    10.8     RMI Titanium Company Excess Benefits Plan effective July 18,
             1991, incorporated by reference to Exhibit 10.11 to the
             Company's Annual Report on Form 10-K for the year ended
             December 31, 1991.
    10.9     Sales Agreement for the supply of titanium sponge and plasma
             electrodes between Oregon Metallurgical Corporation and RMI
             Titanium Company dated as of August 8, 1994 incorporated by
             reference to Exhibit 10.9 to the Company's Annual Report on
             Form 10-K for the year ended December 31, 1995 (for which
             confidential treatment was requested).
    10.10    Sales Agreement for the supply of titanium sponge between
             Osaka Titanium Co., Ltd., Sumitomo Corporation, Sumitomo
             Corporation of America, and RMI Titanium Company dated as of
             September 4, 1992 incorporated by reference to Exhibit 10.10
             to the Company's Annual Report on Form 10-K for the year
             ended December 31, 1995 (for which confidential treatment
             has been requested).
    10.11    RMI Titanium Company 1995 Stock Plan incorporated by
             reference to Exhibit 10.11 to the Company's Annual Report on
             Form 10-K for the year ended December 31, 1995.
    10.12    Employment Agreement, dated September 1, 1996, between the
             Company and John H. Odle, incorporated by reference to
             Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q
             for the quarterly period ended September 30, 1996.
    10.13    Employment Agreement, dated September 1, 1996, between the
             Company and T.G. Rupert, incorporated by reference to
             Exhibit 10.2 to the Company's Quarterly Report on Form 10-Q
             for the quarterly period ended September 30, 1996.
    10.14    Employment Agreement dated May 1, 1997, between the Company
             and Harry B. Watkins incorporated by reference to Exhibit
             10.14 to the Company's Annual Report on Form 10-K for the
             year ended December 31, 1997.
    10.15    Employment Agreement dated May 1, 1997 between the Company
             and Dawne S. Hickton incorporated by reference to Exhibit
             10.15 to the Company's Annual Report on Form 10-K for the
             year ended December 31, 1997.
    10.16    Employment Agreement dated March 6, 1998 between the Company
             and Lawrence W. Jacobs, incorporated by reference to Exhibit
             10.1 to the Company's Quarterly Report on Form 10-Q for the
             quarterly period ended March 31, 1998.
    10.17    Registration Rights Agreement dated August 21, 1996 between
             the Company and USX Corporation, incorporated by reference
             to Exhibit 10.3 to the Company's Quarterly Report on Form
             10-Q for the quarterly period ended September 30, 1996.
    21       Subsidiaries of the Company incorporated by reference to
             Exhibit 21 to the Company's Annual Report on Form 10-K for
             the year ended December 31, 1997.
    23.1     Consent of PricewaterhouseCoopers LLP.
    23.2     Consent of Doepken Keevican & Weiss Professional Corporation
             (included in opinion filed as Exhibit 5.1 hereof)
    24       Powers of Attorney.
    99.1     Form of Proxy.
</TABLE>
 
                                      II-2
<PAGE>   26
 
ITEM 22. UNDERTAKINGS.
 
     The Registrant hereby undertakes:
 
          (1) To respond to requests for information that is incorporated by
     reference into the prospectus pursuant to Items 4, 10(b), 11, or 13 of this
     Form, within one business day of receipt of such request, and to send the
     incorporated documents by first class mail or other equally prompt means.
     This includes information contained in documents filed subsequent to the
     effective date of the registration statement through the date of responding
     to the request.
 
          (2) To supply by means of a post-effective amendment all information
     concerning a transaction, and the company being acquired involved therein,
     that was not the subject of and included in the registration statement when
     it became effective.
 
          (3) Insofar as indemnification for liabilities arising under the
     Securities Act of 1933 may be permitted to directors, officers and
     controlling persons of the Registrant pursuant to the foregoing provisions,
     or otherwise, the Registrant has been advised that in the opinion of the
     Securities and Exchange Commission such indemnification is against public
     policy as expressed in the Act and is, therefore, unenforceable. In the
     event that a claim for indemnification against such liabilities (other than
     the payment by the Registrant of expenses incurred or paid by a director,
     officer or controlling person of the Registrant of expenses incurred or
     paid by a director, officer or controlling person of the Registrant in the
     successful defense of any action, suit or proceeding) is asserted by such
     director, officer or controlling person in connection with the securities
     being registered, the Registrant will, unless in the opinion of its counsel
     the matter has been settled by controlling precedent, submit to a court of
     appropriate jurisdiction the question whether such indemnification by it is
     against public policy as expressed in the Act and will be governed by the
     final adjudication of such issue.
 
          (4) That prior to any public reoffering of the securities registered
     hereunder through use of a prospectus which is a part of this registration
     statement, by any person or party who is deemed to be an underwriter within
     the meaning of Rule 145(c), the issuer undertakes that such reoffering
     prospectus will contain the information called for by the applicable
     registration form with respect to reofferings by persons who may be deemed
     underwriters, in addition to the information called for by the other items
     of the applicable form.
 
          (5) That every prospectus (i) that is filed pursuant to paragraph (4)
     immediately preceding, or (ii) that purports to meet the requirements of
     section 10(a)(3) of the Act and is used in connection with an offering of
     securities subject to Rule 415, will be filed as a part of an amendment to
     the registration statement and will not be used until such amendment is
     effective, and that, for purposes of determining any liability under the
     Securities Act of 1933, each such post-effective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.
 
                                      II-3
<PAGE>   27
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Act, the registrant has duly
caused this registration statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Pittsburgh, State of
Pennsylvania on August 20, 1998.
 
                                          RTI INTERNATIONAL METALS, INC.
 
                                          By:      /s/ TIMOTHY G. RUPERT
                                            ------------------------------------
                                                     Timothy G. Rupert,
                                                Executive Vice President and
                                                  Chief Financial Officer
 
     Pursuant to the requirements of the Securities Act of 1933, this
registration statement has been signed by the following persons in the
capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
                 SIGNATURE                                            TITLE
                 ---------                                            -----
<C>                                                <S>
 
          * /s/ TIMOTHY G. RUPERT                  Executive Vice President and Chief Financial
- --------------------------------------------       Officer; Chief Accounting Officer and
             Timothy G. Rupert                     Director
 
                     *                             Executive Vice President and Director
- --------------------------------------------
                John H. Odle
 
                     *                             Director
- --------------------------------------------
             Craig R. Andersson
 
                     *                             Director
- --------------------------------------------
             Neil A. Armstrong
 
                     *                             Director
- --------------------------------------------
              Daniel I. Booker
 
                     *                             Director
- --------------------------------------------
             Ronald L. Gallatin
 
                     *                             Director
- --------------------------------------------
             Charles C. Gedeon
 
                     *                             Chairman of the Board and Director
- --------------------------------------------
            Robert M. Hernandez
 
                     *                             Director
- --------------------------------------------
              Dana J. Johnson
 
                     *                             Director
- --------------------------------------------
            Wesley W. von Schack
 
            *By: /s/ R. M. HAYS
- --------------------------------------------
                 R. M. Hays
              Attorney-in-fact
</TABLE>
 
                                      II-4
<PAGE>   28
 
                                   APPENDIX A
 
                          AGREEMENT AND PLAN OF MERGER
 
     This AGREEMENT AND PLAN OF MERGER, dated as of August 20, 1998, (this
"Agreement"), is entered into by and among RMI TITANIUM COMPANY, an Ohio
corporation ("RMI Titanium"), RTI METALS INTERNATIONAL, INC., an Ohio
corporation ("RTI"), and RMI ACQUISITION COMPANY, an Ohio corporation
("MergeCo").
 
     WHEREAS, RMI Titanium has an authorized capitalization consisting of
30,000,000 shares of Common Stock, $0.01 par value (the "RMI Titanium Common
Stock"), of which there were 20,516,302 shares issued and outstanding as of
August 28, 1998; and
 
     WHEREAS, RTI has an authorized capitalization consisting of 30,000,000
shares of Common Stock, $0.01 par value (the "RTI Common Stock"), of which 100
are issued and outstanding and are owned by RMI Titanium, and no shares of which
are held in RTI's treasury; and
 
     WHEREAS, MergeCo has an authorized capitalization consisting of 100 shares
of Common Stock, $.01 par value (the "MergeCo Common Stock"), all of which are
issued and outstanding and are owned by RTI, and no shares of which are held in
MergeCo's treasury; and
 
     WHEREAS, RMI Titanium and MergeCo desire to effect a merger of MergeCo with
and into RMI Titanium with RMI Titanium surviving such merger (the "Merger")
pursuant to Section 1701.78 of the Ohio General Corporation Law (Ohio Revised
Code sec. 1701.01 et seq. is referred to in this Agreement as the "General
Corporation Law"); and
 
     WHEREAS, the Boards of Directors of RMI Titanium, RTI and MergeCo have
approved and recommended to their respective stockholders the Merger in
accordance with this Agreement and Plan of Merger, and the stockholders of RMI
Titanium, RTI and MergeCo have adopted this Agreement and Plan of Merger by
affirmative vote or unanimous written consent in accordance with the General
Corporation Law; and
 
     WHEREAS, the Board of Directors of RTI has adopted resolutions approving
the conversion of shares of RMI Titanium into RTI Common Stock;
 
     NOW, THEREFORE, in consideration of the premises and the mutual covenants
and agreements contained herein, the parties hereto, intending to be legally
bound, covenant and agree as follows:
 
                                   ARTICLE I
 
                                   THE MERGER
 
     SECTION 1.1.  THE MERGER. Upon the terms and subject to the conditions of
this Agreement, at the Effective Time (as defined in Section 1.2) in accordance
with Section 1701.78 of the General Corporation Law, MergeCo shall be merged
with and into RMI Titanium and the separate existence of MergeCo shall thereupon
cease. RMI Titanium shall be the surviving corporation in the Merger (the
"Surviving Corporation") and shall succeed to and assume all of the rights and
obligations of MergeCo in accordance with the General Corporation Law. The name
of the Surviving Corporation shall be RMI Titanium Company.
 
     SECTION 1.2.  EFFECTIVE TIME OF THE MERGER. Upon the satisfaction of the
conditions set forth in Article VI of this Agreement, a certificate of merger
shall be duly executed by each of RMI Titanium and MergeCo and filed with the
Secretary of State of Ohio pursuant to Section 1701.81 of the General
Corporation Law. The Merger shall become effective at the time of such filing
(the "Effective Time") with the Secretary of State of Ohio pursuant to Section
1701.81 of the General Corporation Law.
 
     SECTION 1.3.  EFFECTS OF THE MERGER. At the Effective Time of the Merger,
the effects of the Merger shall occur as provided in Section 1701.82 of the
General Corporation Law. Without limiting the generality of the foregoing, and
subject thereto, at the Effective Time, the name, identity, existence, rights,
privileges, powers, franchises, properties and assets of RMI Titanium shall
continue unaffected and unimpaired, and the separate existence of MergeCo shall
cease and all of the rights, privileges, powers, franchises, properties and
assets of MergeCo shall be vested in RMI Titanium.
 
                                       A-1
<PAGE>   29
 
                                   ARTICLE II
 
                           THE SURVIVING CORPORATION
 
     SECTION 2.1.  ARTICLES OF INCORPORATION. At the Effective Time, the
Articles of Incorporation of RMI Titanium, as in effect on the date thereof,
shall be the articles of incorporation of the Surviving Corporation after the
effective time until thereafter changed or amended as provided therein or by the
General Corporation Law.
 
     SECTION 2.2.  CODE OF REGULATIONS. At the Effective Time, the Code of
Regulations of RMI Titanium, as in effect on the date thereof, shall be the Code
of Regulations of the Surviving Corporation after the Effective Time until
thereafter changed or amended as provided therein or by the General Corporation
Law.
 
     SECTION 2.3.  DIRECTORS. The directors of RMI Titanium immediately prior to
the Effective Time shall be, from and after the Effective Time, the directors of
the Surviving Corporation until their successors shall have been duly elected or
appointed and qualified or until their earlier death, resignation or removal in
accordance with the Surviving Corporation's Articles of Incorporation and Code
of Regulations.
 
     SECTION 2.4.  OFFICERS. The officers of RMI Titanium immediately prior to
the Effective Time shall be, from and after the Effective Time, the officers of
the Surviving Corporation until their successors shall have been duly elected or
appointed and qualified or until their earlier death, resignation or removal in
accordance with the Surviving Corporation's Articles of Incorporation and Code
of Regulations.
 
                                  ARTICLE III
 
                 CAPITAL STOCK OF THE CONSTITUENT CORPORATIONS;
                            EXCHANGE OF CERTIFICATES
 
     SECTION 3.1.  EFFECT ON CAPITAL STOCK. (a) As of the Effective Time, by
virtue of the Merger and without any action on the part of RMI Titanium, MergeCo
or RTI or any holder of the capital stock of RMI Titanium, MergeCo or RTI, the
following shall occur:
 
          (i) each issued and outstanding share of RMI Titanium Common Stock
     shall be converted into the right to receive one share of RTI Common Stock;
 
          (ii) each issued and outstanding share of MergeCo Common Stock shall
     be converted into the right to receive one share of the Common Stock of the
     Surviving Corporation; and
 
          (iii) each share of RTI Common Stock issued and outstanding prior to
     the Effective Time of the Merger shall be canceled and the holder thereof
     shall be entitled to receive an amount equal to the initial subscription
     price paid therefor.
 
     (b) As of the Effective Time, all shares of RMI Titanium Common Stock
issued and outstanding immediately prior to the Effective Time shall no longer
be outstanding and shall be automatically canceled and retired and shall cease
to exist, and each holder of a certificate formerly representing shares of RMI
Titanium Common Stock ("RMI Titanium Certificate") shall cease to have any
rights with respect thereto, except the right to receive shares of RTI Common
Stock into which their shares of RMI Titanium Common Stock have been converted
by the Merger.
 
     SECTION 3.2.  EXCHANGE PROCEDURES. (a) As soon as practicable after the
Effective Time, each holder of an outstanding RMI Titanium Certificate shall,
upon surrender of such RMI Titanium Certificate to ChaseMellon Shareholder
Services, the transfer agent of the Surviving Corporation (the "Transfer
Agent"), be entitled to receive a certificate or certificates representing the
number of shares of RTI Common Stock ("RTI Certificate") into which the shares
of RMI Titanium Common Stock previously represented by such RMI Titanium
Certificate have been converted pursuant to this Agreement. The Transfer Agent
shall accept such RMI Titanium Certificates upon compliance with such reasonable
terms and conditions as the Transfer Agent may impose to effect an orderly
exchange thereof in accordance with normal exchange practices.
 
     (b) If any RTI Certificate is to be issued to a person or entity other than
the person or entity in whose name a surrendered RMI Titanium Certificate is
registered, it shall be a condition of such issuance that (i) the RMI Titanium
Certificate so surrendered shall be properly endorsed, with signature guaranteed
or otherwise in proper form for transfer, and (ii) the person or entity
requesting such delivery shall have paid to RTI any transfer or other taxes
required by reason of by reason of such delivery to a person or entity other
than the registered holder of the
 
                                       A-2
<PAGE>   30
 
RMI Titanium Certificate surrendered or shall have established to the
satisfaction of RTI that such taxes either have been paid or are not payable.
 
     (c) Until surrendered and exchanged in accordance with this Section 2.2,
each RMI Titanium Certificate shall be deemed at any time after the Effective
Time to represent the ownership of the same number of shares of RTI Common Stock
as though such surrender or transfer and exchange had taken place. Holders are
not required to exchange stock certificates.
 
     SECTION 3.3.  CLOSING OF RMI TITANIUM'S TRANSFER BOOKS. After the date on
which the Effective Time occurs, there shall be no further transfer on the stock
transfer books of RMI Titanium of any RMI Titanium Certificate and if any RMI
Titanium Certificate is presented to the Secretary of the Surviving Corporation
for transfer, such RMI Titanium Certificate shall be canceled and exchanged for
a RTI Certificate in accordance with this Agreement.
 
     SECTION 3.4.  DISSENTING RMI TITANIUM SHAREHOLDERS. Each holder of one or
more shares of RMI Titanium Common Stock who shall have been a record holder of
such shares as of the date fixed for the determination of shareholders entitled
to notice of the Shareholders Meeting and who shall have delivered to RMI
Titanium, not later then ten days after the date on which the vote on this
Agreement was taken at the Shareholders Meeting, a written demand for payment to
such holder of the fair cash value of such shares in compliance with Sec.
1701.85 of the General Corporation Law, and whose such shares shall not have
been voted in favor of adoption of this Agreement, shall cease to have any of
the rights of a shareholder in respect to such shares except the right to be
paid the fair cash value of such shares and any other rights bestowed under
Sections 1701.84 and 1701.85 of the General Corporation Law. However, any such
shareholder who shall validly withdraw such shareholder's written demand for
payment of the fair cash value of such shares pursuant to Sections 1701.84 and
1701.85 of the General Corporation Law will thereupon be reinstated to all such
shareholder's rights as a shareholder in respect of such shares as of the date
of delivery of such shareholder's written demand to RMI Titanium, subject to the
provisions of Section 2.1 of this Agreement, and will be entitled to receive the
RTI Common Stock into which such shareholder's RMI Titanium Common Stock were
converted as of the Effective Time pursuant hereto.
 
                                   ARTICLE IV
 
                               CERTAIN AGREEMENTS
 
     SECTION 4.1.  REGISTRATION OF HOLDING COMPANY SHARES. At or prior to the
Effective Time, RTI shall register under the Securities Act of 1933, as amended,
the maximum number of RTI Common Shares required to be exchanged for RMI
Titanium Common Stock pursuant to this Agreement.
 
     SECTION 4.2.  STOCK PLANS. At or prior to the Effective Time, RTI shall
assume RMI Titanium's 1989 Stock Option Incentive Plan and the 1995 Stock Plan
(the "Stock Plans") with amendments thereto as deemed appropriate by the
respective Boards of Directors of RMI Titanium and RTI, including all
obligations associated with any valid options ("Options") to purchase or right
to receive under restricted stock awards shares of RMI Titanium Common Stock
under the Stock Plans. Thereafter, each such Option to purchase RMI Titanium
Common Stock shall be the valid and enforceable option to purchase such number
of RTI Common Stock (instead of RMI Titanium Common Stock) at a purchase price
per RTI Common Stock equal to the purchase price per RMI Titanium Common Stock.
In addition, thereafter each such Option to purchase RMI Titanium Common Stock
shall be the valid and enforceable Option to purchase such number of RTI Common
Stock at a purchase price per RTI Common Stock equal to the purchase price per
RMI Titanium Common Stock. Except as set forth above, each such Option shall be
on the same terms and conditions and have the same provisions which are
contained therein immediately prior to the Effective Time. At or prior to the
Effective Time, RMI Titanium and RTI shall take all necessary steps to cause
shares of RMI Titanium Common Stock, if any, to be issued with respect to each
of the RMI Titanium Employee Savings and Investment Plan and the RMI Titanium
Bargaining Unit Employee Savings and Investment Plan to be issued as shares of
RTI Common Stock.
 
     SECTION 4.3.  ELECTION OF DIRECTORS. The sole shareholder of RTI, shall,
subsequent to the adoption and approval of this Agreement as provided in Section
6.1, but prior to the Effective Time, duly convene a meeting of the sole
shareholder of RTI (or act by written consent of such shareholder in lieu of a
meeting) and shall take or cause to be taken all action necessary, in accordance
with the Code of Regulations of RTI and the General
                                       A-3
<PAGE>   31
 
Corporation Law, to install as Directors of RTI, who shall serve until the next
annual meeting of shareholders of RTI or until their respective successors have
been elected and qualified, all persons who are then current directors of RMI
Titanium.
 
                                   ARTICLE V
 
                         REPRESENTATIONS AND WARRANTIES
 
     SECTION 5.1. MERGECO. MergeCo represents and warrants to RMI Titanium and
to RTI as follows:
 
          (a) MergeCo is a corporation duly formed, validly existing and in good
     standing under the laws of the State of Ohio. MergeCo has the corporate
     power and authority to execute, deliver and carry out the terms and
     provisions of this Agreement and has taken all necessary corporate action
     to authorize the execution, delivery and performance of this Agreement.
     MergeCo has duly authorized, executed and delivered this Agreement and this
     Agreement constitutes the legal, valid and binding agreement of MergeCo,
     enforceable in accordance with its terms.
 
          (b) MergeCo does not own any property or assets and does not conduct
     any business.
 
          (c) The entire authorized capital stock of MergeCo consists of 100
     shares of common stock, $0.01 par value per share. As of the date of this
     Agreement and as of the Effective Time, (i) 100 common shares of MergeCo
     are and will be issued and outstanding, all of which shares are owned of
     record by RTI, and (ii) no common shares of MergeCo are or will be held in
     treasury.
 
     SECTION 5.2.  RTI. RTI represents and warrants to RMI Titanium and to
MergeCo as follows:
 
          (a) RTI is a corporation duly organized, validly existing and in good
     standing under the laws of the State of Ohio. RTI has the corporate power
     and authority to execute, deliver and carry out the terms and provisions of
     this Agreement and has taken all necessary corporate action to authorize
     the execution, delivery and performance of this Agreement. RTI has duly
     authorized, executed and delivered this Agreement and this Agreement
     constitutes the legal, valid and binding agreement of RTI, enforceable in
     accordance with its terms.
 
          (b) RTI does not own any property or assets other than the common
     shares of MergeCo and does not conduct any business.
 
          (c) RTI is the sole beneficial owner of 100 common shares of MergeCo.
 
          (d) The entire authorized capital stock of RTI is 30,000,000 RTI
     Common Shares and 5,000,000 Preferred Shares. As of the date of this
     Agreement, and as of immediately prior to the Effective Time, (i) 100 RTI
     Common Shares and no Preferred Shares are or will be outstanding and (ii)
     no RTI Common Shares and no Preferred Shares are held in treasury.
 
     SECTION 5.3.  RMI TITANIUM. RMI Titanium represents and warrants to RTI and
to MergeCo as follows:
 
          (a) RMI Titanium has the corporate power and authority to execute,
     deliver and carry out the terms and provisions of this Agreement and has
     taken all necessary corporate action to authorize the execution, delivery
     and performance of this Agreement. RMI Titanium has duly authorized,
     executed and delivered this Agreement and this Agreement constitutes the
     legal, valid and binding agreement of RMI Titanium, enforceable in
     accordance with its terms.
 
          (b) RMI Titanium is the sole beneficial owner of 100 common shares of
     RTI.
 
                                   ARTICLE VI
 
                              CONDITIONS TO MERGER
 
     The consummation of the Merger is subject to the satisfaction, in the sole
judgment of the Board of Directors of RMI Titanium, of the following conditions
prior to the Effective Time:
 
     SECTION 6.1.  SHAREHOLDER APPROVAL. This Agreement shall have received the
approval of two-thirds of the issued and outstanding RMI Titanium Common Stock
entitled to vote.
 
                                       A-4
<PAGE>   32
 
     SECTION 6.2.  NEW YORK STOCK EXCHANGE.  RTI shall have received approval
for the listing of the RTI Common Stock on the New York Stock Exchange upon
official notice of issuance.
 
     SECTION 6.3.  PERFORMANCE OF AGREEMENTS. MergeCo and RTI shall have
performed all their respective obligations and agreements required by this
Agreement to be performed by them at or prior to the Effective Time.
 
     SECTION 6.4.  TAX MATTERS. RMI Titanium shall have received an opinion of
Doepken Keevican & Weiss, satisfactory in form and substance to RMI Titanium, as
to such matters relating to the tax consequences of the transactions
contemplated by this Agreement as the Board of Directors of RMI Titanium may
deem advisable including, without limitation, an opinion of such counsel to the
effect that the Merger constitutes a "reorganization" within the meaning of
Section 368(a)(1) of the Internal Revenue Code.
 
     SECTION 6.5.  OPINION OF COUNSEL. RMI Titanium shall have received an
opinion of Doepken Keevican & Weiss, satisfactory in form and substance to RMI
Titanium, to the effect that:
 
          (a) each of MergeCo and RTI is a corporation duly formed, validly
     existing and in good standing under the laws of the State of Ohio;
 
          (b) RMI Titanium is a corporation validly existing and in good
     standing under the laws of the State of Ohio;
 
          (c) this Agreement has been duly authorized, executed and delivered
     by, and is a valid and binding agreement or obligation of, each of RMI
     Titanium, MergeCo and RTI;
 
          (d) neither the execution and delivery of this Agreement nor the
     performance by RMI Titanium, MergeCo, or RTI, respectively, of any of its
     obligations hereunder will conflict with such company's Articles of
     Incorporation or Code of Regulations;
 
          (e) the RTI Common Stock required to be issued and delivered by RTI
     upon the Merger are duly authorized and will, when issued as contemplated
     in this Agreement, be validly issued, fully paid and nonassessable.
 
     SECTION 6.6.  DISSENTING SHARES. RMI Titanium shall not have received
notice from the holder or holders of more than ten percent (10%) of the
outstanding RMI Titanium Common Stock, in the aggregate, that such holder or
holders have exercised or intend to exercise its or their dissenters' rights
under Section 1701.85 of the General Corporation Law and the time for the
holders of RMI Titanium Common Stock to give such notice shall have expired.
 
     SECTION 6.7.  MISCELLANEOUS APPROVALS. RMI Titanium, MergeCo and RTI, as
appropriate, shall have received all orders, consents and approvals,
governmental or otherwise, which in the opinion of RMI Titanium, are required by
law or advisable to the consummation of the Merger, except for filings in
connection with the Merger and any other documents required to be filed after
the Effective Time.
 
     SECTION 6.8.  NO PROHIBITION. None of RMI Titanium, MergeCo or RTI shall be
subject to any order or injunction of a court of competent jurisdiction that
prohibits the consummation of the transactions contemplated by this Agreement or
that would make the consummation of the Merger by RMI Titanium, MergeCo or RTI
illegal.
 
     SECTION 6.9.  STEPS TO EFFECT MERGER. Upon the satisfaction or waiver by
RMI Titanium of each of the conditions set forth in this Article VI, the
officers of each of RMI Titanium, MergeCo and RTI shall take all steps necessary
in order to make effective the Merger as provided herein.
 
                                  ARTICLE VII
 
                                 MISCELLANEOUS
 
     SECTION 7.1.  TAX FREE REORGANIZATION. The Merger is intended to constitute
a tax-free reorganization within the meaning of Section 368(a) of the Internal
Revenue Code of 1986, as amended, and this Agreement is intended to constitute a
plan of reorganization.
 
     SECTION 7.2.  ASSIGNMENT. Neither this Agreement nor any right, interest or
obligation hereunder may be assigned by any of the parties hereto and any
attempt to do so shall be null and void.
 
                                       A-5
<PAGE>   33
 
     SECTION 7.3.  NO THIRD PARTY BENEFICIARY. The terms and provisions of this
Agreement are intended solely for the benefit of each party hereto and their
respective successors or permitted assigns, and it is not the intention of the
parties hereto to confer third-party beneficiary rights upon any other person or
entity.
 
     SECTION 7.4.  AMENDMENT, DEFERRAL AND ABANDONMENT. (a) The parties hereto,
by mutual consent of their respective Boards of Directors, may amend, modify or
supplement this Agreement in writing at any time prior or subsequent to the
adoption and approval of the Agreement by the shareholders of RMI Titanium and
prior to the Effective Time; provided, however, that no such amendment,
modification or supplement shall affect the rights of the respective
shareholders of the parties hereto in a manner which is materially adverse to
such shareholders in the judgment of the respective Boards of Directors of the
parties hereto.
 
     (b) Notwithstanding the adoption and approval of this Agreement by the
shareholders of RMI Titanium, RTI or MergeCo, consummation of the transactions
provided for herein may be deferred by the Board of Directors of RMI Titanium at
any time prior to the Effective Time, if such Board of Directors determines that
such deferral would be in the best interests of RMI Titanium or its
shareholders.
 
     (c) Notwithstanding the adoption and approval of this Agreement by the
shareholders of RMI Titanium, this Agreement may be terminated, and the Merger
and other transactions provided for herein may be abandoned, by the Board of
Directors of RMI Titanium at any time prior to the Effective Time if such Board
of Directors determines that such abandonment would be in the best interests of
RMI Titanium or its shareholders. In such event, this Agreement shall forthwith
be wholly void and of no effect and there shall be no liability with respect to
this Agreement on the part of any party hereto or any of their respective
directors, officers, employees or shareholders.
 
     SECTION 7.5.  WAIVER. Any term or condition of this Agreement may be waived
at any time by the party that is entitled to the benefit thereof, but no such
waiver shall be effective unless set forth in a written instrument executed by
or on behalf of the party waiving such term or condition. No waiver by any party
hereto of any term or condition of this Agreement, in any one or more instances,
shall be deemed to be or construed as a waiver of the same or any other term or
condition of this Agreement.
 
     SECTION 7.6.  TERMINATION. At any time prior to the Effective Time, this
Agreement may be terminated and abandoned by the parties. In the event of the
termination of this Agreement, this Agreement shall forthwith become void and
there shall be no liability on the part of any of the parties hereto or their
respective officers or directors.
 
     SECTION 7.7.  COUNTERPARTS. This Agreement may be executed simultaneously
in two or more counterparts, each of which shall be deemed an original, but all
of which shall constitute but one and the same instrument.
 
     SECTION 7.8.  SEVERABILITY. Should any clause, paragraph, sentence,
Section, subsection or Article of this Agreement be judicially declared to be
invalid, unenforceable or void, such decision will not have the effect of
invalidating or voiding the remainder of this Agreement, and the parts or parts
of this Agreement so held to be invalid, unenforceable or void will be deemed to
have been stricken herefrom by the parties hereto, and the remainder will have
the same force and effectiveness as if such stricken part or parts had never
been included herein.
 
     SECTION 7.9.  ENTIRE AGREEMENT. This Agreement sets forth all of the
promises, conditions, agreements, understandings, warranties and representations
among the parties hereto with respect to the transactions completed hereby, and
supersedes all prior agreements, arrangements and understandings among the
parties hereto, whether written, oral or otherwise. There are no promises,
agreements, arrangements understandings, warranties or representations, oral or
written, express or implied, among the parties hereto concerning the subject
matter hereof except as set forth herein.
 
     SECTION 7.10.  APPLICABLE LAW. THIS AGREEMENT AND THE RIGHTS AND
OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF OHIO, AS APPLICABLE, WITHOUT GIVING
EFFECT TO THE CONFLICT OF LAW PRINCIPLES THEREOF.
 
     SECTION 7.11.  HEADINGS. The headings in the Articles and Sections of this
Agreement are inserted for convenience only and shall not constitute a part
thereof.
 
                                       A-6
<PAGE>   34
 
     IN WITNESS WHEREOF, each of the parties has executed this Agreement as of
the date first written above.
 
<TABLE>
<S>                                             <C>
ATTEST:                                         RMI TITANIUM COMPANY
 
                                                By:
- --------------------------------------------    --------------------------------------------
Secretary                                       Name:
 
ATTEST:                                         RTI INTERNATIONAL METALS, INC.
 
                                                By:
- --------------------------------------------    --------------------------------------------
Secretary                                       Name:
 
ATTEST:                                         RMI ACQUISITION COMPANY
 
                                                By:
- --------------------------------------------    --------------------------------------------
Secretary                                       Name:
</TABLE>
 
                                       A-7
<PAGE>   35
 
                                 CERTIFICATION
 
     The undersigned, Secretary of RMI Titanium Company, does hereby certify
that the holders of at least two-thirds of the outstanding stock of RMI Titanium
Company entitled to vote thereon has voted in favor of this Agreement and Plan
of Merger.
 
                                            ------------------------------------
                                            Richard M. Hays, Secretary
 
                                 CERTIFICATION
 
     The undersigned, Secretary of RTI International Metals, Inc., does hereby
certify that all of the outstanding stock of RTI International Metals, Inc.
entitled to vote thereon has consented in writing to the adoption of this
Agreement and Plan of Merger.
 
                                            ------------------------------------
                                            Richard M. Hays, Secretary
 
                                 CERTIFICATION
 
     The undersigned, Secretary of RMI Acquisition Company, does hereby certify
that all of the outstanding stock of RMI Acquisition Company entitled to vote
thereon has consented in writing to the adoption of this Agreement and Plan of
Merger.
 
                                            ------------------------------------
                                                           , Secretary
 
                                       A-8
<PAGE>   36
 
                                   APPENDIX B
 
     1701.85 RELIEF FOR DISSENTING SHAREHOLDERS; QUALIFICATION; PROCEDURES. --
(A)(1) A shareholder of a domestic corporation is entitled to relief as a
dissenting shareholder in respect of the proposals described in sections
1701.74, 1701.76, and 1701.84 of the Revised Code, only in compliance with this
section.
 
     (2) If the proposal must be submitted to the shareholders of the
corporation involved, the dissenting shareholder shall be a record holder of the
shares of the corporation as to which he seeks relief as of the date fixed for
the determination of shareholders entitled to notice of a meeting of the
shareholders at which the proposal is to be submitted, and such shares shall not
have been voted in favor of the proposal. Not later than ten days after the date
on which the vote on the proposal was taken at the meeting of the shareholders,
the dissenting shareholder shall deliver to the corporation a written demand for
payment to him of the fair cash value of the shares as to which he seeks relief,
which demand shall state his address, the number and class of such shares, and
the amount claimed by him as the fair cash value of the shares.
 
     (3) The dissenting shareholder entitled to relief under division (c) of
section 1701.84 of the Revised Code in the case of a merger pursuant to section
1701.80 of the Revised Code and a dissenting shareholder entitled to relief
under division (E) of section 1701.84 of the Revised Code in the case of a
merger pursuant to section 1701.801 of the Revised Code shall be a record holder
of the shares of the corporation as to which he seeks relief as of the date on
which the agreement or merger was adopted by the directors of that corporation.
Within twenty days after he has been sent the notice provided in section 1701.80
or 1701.801 of the Revised Code, the dissenting shareholder shall deliver to the
corporation a written demand for payment with the same information as that
provided for in division (A)(2) of this section.
 
     (4) In the case of a merger or consolidation, a demand served on the
constituent corporation involved constitutes service on the surviving or the new
entity, whether the demand is served before, on, or after the effective date of
the merger or consolidation.
 
     (5) If the corporation sends to the dissenting shareholder, at the address
specified in his demand, a request for the certificates representing the shares
as to which he seeks relief, the dissenting shareholder, within fifteen days
from the date of the sending of such request, shall deliver to the corporation
the certificates requested so that the corporation may forthwith endorse on them
a legend to the effect that demand for the fair cash value of such shares has
been made. The corporation promptly shall return such endorsed certificates to
the dissenting shareholder. A dissenting shareholder's failure to deliver such
certificates terminates his rights as a dissenting shareholder, at the option of
the corporation, exercised by written notice sent to the dissenting shareholder
within twenty days after the lapse of the fifteen-day period, unless a court for
good cause shown otherwise directs. If shares represented by a certificate on
which such a legend has been endorsed are transferred, each new certificate
issued for them shall bear a similar legend, together with the name of the
original dissenting holder of such shares. Upon receiving a demand for payment
from a dissenting shareholder who is the record holder of uncertified
securities, the corporation shall make an appropriate notation of the demand for
payment in its shareholder records. If uncertified shares for which payment has
been demanded are to be transferred, any new certificate issued for the shares
shall bear the legend required for certificated securities as provided in this
paragraph. A transferee of the shares so endorsed, or of uncertificated
securities where such notation has been made, acquires only such rights in the
corporation as the original dissenting holder of such shares had immediately
after the service of a demand for payment of the fair cash value of the shares.
A request under this paragraph, by the corporation is not an admission by the
corporation that the shareholder is entitled to relief under this section.
 
     (B) Unless the corporation and the dissenting shareholders have come to an
agreement on the fair cash value per share of the shares as to which the
dissenting shareholder seeks relief, the dissenting shareholder or the
corporation, which in case of a merger or consolidation may be the surviving or
new entity, within three months after the service of the demand by the
dissenting shareholder, may file a complaint in the court of common pleas of the
county in which the principal office of the corporation that issued the shares
is located or was located when the proposal was adopted by the shareholders of
the corporation, or, if the proposal was not required to be submitted to the
shareholders, was approved by the directors. Other dissenting shareholders,
within that
                                       B-1
<PAGE>   37
 
three-month period, may join as plaintiffs or may be joined as defendants in any
such proceeding, and any two or more such proceedings may be consolidated. The
complaint shall contain a brief statement of the facts, including the vote and
the facts entitling the dissenting shareholder to the relief demanded. No answer
to such a complaint is required. Upon the filing of such a complaint, the court,
on motion of the petitioner, shall enter an order fixing date for a hearing on
the complaint and requiring that a copy of the complaint and a notice of the
filing and of the date for hearing be given to the respondent or defendant in
the manner in which summons is required to be served or substituted service is
required to be made in other cases. On the day fixed for the hearing on the
complaint or any adjournment of it, the court shall determine from the complaint
and form such evidence as is submitted by either party whether the dissenting
shareholder is entitled to be paid the fair cash value of any shares and, if so,
the number and class of such shares. If the court finds that the dissenting
shareholder is so entitled, the court may appoint one or more persons as
appraisers to receive evidence and to recommend a decision on the amount of the
fair cash value. The appraisers have such power and authority as is specified in
the order of their appointment. The court thereupon shall make a finding as to
the fair cash value of a share and shall render judgment against the corporation
for the payment of it, with interest at such rate and from such date as the
court considers equitable. The costs of the proceeding, including reasonable
compensation to the appraisers to be fixed by the court, shall be assessed or
apportioned as the court considers equitable. The proceeding is a special
proceeding and final orders in it may be vacated, modified, or reversed on
appeal pursuant to the Rules of Appellate Procedure and, to the extent not in
conflict with those rules, Chapter 2505, of the Revised Code. If, during the
pendency of any proceeding instituted under this section, a suite or proceeding
is or has been instituted to enjoin or otherwise to prevent the carrying out of
the action as to which the shareholder has dissented, the proceeding instituted
under this section shall be stayed until the final determination of the other
suit or proceeding. Unless any provision in division (D) of this section is
applicable, the fair cash value of the shares that is agreed upon by the parties
or fixed under this section shall be paid within thirty days after the date of
final determination of such value under this division, the effective date of the
amendment to the articles, or the consummation of the other action involved,
whichever occurs last. Upon the occurrence of the last such event, payment shall
be made immediately to a holder of uncertificated securities entitled to such
payment. In the case of holders of shares represented by certificates, payment
shall be made only upon and simultaneously with the surrender to the corporation
of the certificates representing the shares for which the payment is made.
 
     (C) If the proposal was required to be submitted to the shareholders of the
corporation, fair cash value as to those shareholders shall be determined as of
the day prior to the day on which the vote by the shareholders was taken, and,
in the case of a merger pursuant to section 1701.80 or 1701.801 of the Revised
Code, fair cash value as to shareholders of a constituent subsidiary corporation
shall be determined as of the day before the adoption of the agreement of merger
by the directors of the particular subsidiary corporation. The fair cash value
of a share for the purposes of this section is the amount that a willing seller
who is under no compulsion to sell would be willing to accept and that a willing
buyer who is under no compulsion to purchase would be willing to pay, but in no
event shall the fair cash value of a share exceed the amount specified in the
demand of the particular shareholder. In computing such fair cash value, any
appreciation or depreciation in market value resulting from the proposal
submitted to the directors or to the shareholders shall be excluded.
 
     (D)(1) The right and obligation of a dissenting shareholder to receive such
fair cash value and to sell such share as to which he seeks relief, and the
right and obligation of the corporation to purchase such shares and to pay fair
cash value of them terminates if any of the following applies:
 
     (a) The dissenting shareholder has not complied with this section, unless
the corporation by its directors waives such failure;
 
     (b) The corporation abandons the action involved or is finally enjoined or
prevented from carrying it out, or the shareholders rescind their adoption, of
the action involved;
 
     (c) The dissenting shareholder withdraws his demand, with the consent of
the corporation by its directors;
 
     (d) The corporation and the dissenting shareholder have not come to an
agreement as to the fair cash value per share, and neither the shareholder nor
the corporation filed or joined in a complaint under division (B) of this
section with the period provided in that division.
 
                                       B-2
<PAGE>   38
 
     (2) For purposes of division (D)(1) of this section, if the merger or
consolidation has become effective and the surviving or new entity is not a
corporation, action required to be taken by the directors of the corporation
shall be taken by the general partners of a surviving or new partnership or the
comparable representatives of any other surviving or new entity.
 
     (E) From the time of the dissenting shareholder's giving of the demand
until either the termination of the rights and obligations arising from it or
the purchase of the shares by the corporation, all other rights accruing from
such shares, including voting and dividend or distribution rights, are
suspended. If during the suspension, any dividend or distribution is paid in
money upon shares of such class or any dividend, distribution, or interest is
paid in money upon any securities issued in extinguishment of or in substitution
for such shares, an amount equal to the dividend, distribution, or interest
which, except for the suspension, would have been payable upon such shares or
securities, shall be paid to the holder of record as a credit upon the fair cash
value of the shares. If the right to receive fair cash value is terminated other
than by the purchase of the shares by the corporation, all rights of the holder
shall be restored and all distributions which, except for the suspension, would
have been made shall be made to the holder of record of the shares at the time
of termination.
 
                                       B-3

<PAGE>   1
                                                                     EXHIBIT 3.1

                            ARTICLES OF INCORPORATION

                                       OF

                         RTI INTERNATIONAL METALS, INC.

         FIRST: The name of the Corporation shall be RTI International Metals,
Inc.

         SECOND: The principal office of the Corporation in the State of Ohio is
to be located in the City of Niles, County of Trumbull.

         THIRD: The purpose for which the Corporation is formed is to engage in
any lawful act or activity for which corporations may be formed under Sections
1701.01 to 1701.98, inclusive, of the Ohio Revised Code.

         FOURTH: The number of shares which the Corporation is authorized to
have outstanding is 35,000,000 shares of which 30,000,000 shall be common shares
with $.01 par value and 5,000,000 shall be preferred shares without par value.

         The express terms of the preferred shares are as follows:

                  (a) Shares classified and designated as preferred shares shall
         be entitled to voting rights as follows:

                      (i)      Except as otherwise required by law or the
                  Articles of Incorporation of the Corporation, including
                  subparagraphs (a) through (e) of this Article FOURTH, the
                  holders of the preferred stock, voting together as a class
                  with the holders of the common stock, shall be entitled to
                  vote for the election of directors and all other matters.

                      (ii)     During any period in which dividends on the
                  preferred stock are cumulatively in arrears in the amount of
                  six or more full quarterly dividends, the holders of the
                  preferred stock, voting together as a class, will have the
                  right to elect two directors which two directorships shall be
                  in addition to that number of directors then determined as
                  constituting the number of members of the board of Directors
                  pursuant to the Regulations of the Corporation.

                  (b) The board of Directors is authorized, subject to any
         limitations prescribed by law and to the provisions of this Article
         FOURTH, to adopt amendments to these Articles of Incorporation in
         respect of any unissued or treasury shares of the preferred stock and
         thereby to fix or change: the division of such shares into series and
         the designation and


<PAGE>   2



         authorized number of shares of each series; the dividend or
         distribution rate; the dates of payment of dividends and the dates, if
         any, from which they are cumulative; liquidation price; redemption
         rights and price; sinking fund requirements; conversion rights; and
         restrictions on the issuance of such shares or any series thereof. In
         addition the Board of directors is hereby authorized to similarly fix
         or change any or all other express terms in respect of the preferred
         stock as may be permitted or required by law.

                  (c) Upon the conversion of any shares of preferred stock the
         stated capital of the corporation shall be reduced or increased in such
         a manner and at such a rate so that the stated capital attributable to
         any share issued upon the exercise of such conversion rights shall be
         the same as other share of its class and not the stated capital of the
         share so converted.

                  (d) The holders of the shares of preferred stock, shall
         receive dividends, when and as declared by the Board of Directors, out
         of funds available for the payment of dividends, before any dividends
         shall be paid on the shares of common stock. Such dividends shall be
         payable at the rate per share per annum, and no more, and pursuant to
         the other terms as shall have been fixed by the Board of Directors, and
         no dividends shall be paid on the shares of common stock unless the
         current dividends, and all the arrears of dividends, if any, on the
         outstanding shares of the preferred stock shall have been made for the
         payment thereof.

                  (e) In case of the dissolution or liquidation of the
         Corporation, before any payment shall be made to the holders of the
         common stock, the holders of the preferred stock shall be entitled to
         be paid from the assets available thereof the liquidation price fixed
         by the Board of Directors, and all accrued and unpaid dividends
         thereon, but shall not be entitled to participate any further in the
         distribution of the assets of the corporation.

         FIFTH: No holders of any class of shares of the Corporation shall have
any preemptive right to purchase or have offered to them for the purchase any
shares or other securities of the Corporation.

         SIXTH: The Corporation may from time to time, pursuant to authorization
by the Directors and without action by the shareholders, purchase or otherwise
acquire shares of the Corporation of any class or classes in such manner, upon
such terms and in such amounts as the Directors shall determine; subject,
however, to such limitation or restriction, if any, as is contained in the
express terms of any class of shares of the Corporation outstanding at the time
of the purchase or acquisition in question.

         SEVENTH: The approval of holders of shares representing two-thirds of
the voting power of the Corporation and, if a class vote is otherwise required
by applicable law, approval of the holders of shares representing two-thirds of
the voting power of any shares voting separately as a class, shall be required
to effect any amendment to the Articles of Incorporation, a merger or
consolidation if under Ohio law such merger or consolidation would have to be
submitted to the

                                       2.

<PAGE>   3



shareholders of the Corporation for action, a sale or disposition of all or
substantially all of the assets of the Corporation or a dissolution of the
Corporation. Notwithstanding any provision of the Ohio Revised Code now or
hereafter in force requiring for any other purpose the vote, consent, waiver or
release of the holders of the shares entitling them to exercise two thirds, or
any other proportion, of the voting power of the Corporation or any class of
classes of shares thereof, any such other action, unless otherwise expressly
required by statute or by these Articles of Incorporation, may be taken by the
vote, consent, waiver or release of the holders of shares entitling them to
exercise a majority of the voting power of the Corporation or of such class or
classes.

         EIGHTH: The shareholders of the Corporation shall have no right to
cumulatively vote in the election of Directors of the Corporation.

         NINTH: Any and every statute of the State of Ohio hereafter enacted,
whereby the rights, powers or privileges of corporations or of the shareholders
or corporations organized under the laws of the State of Ohio are increased or
diminished or in any way affected, or whereby effect is given to the action
taken by any number, less than all, of the shareholders of any such corporation,
shall apply to the Corporation and shall be binding not only upon the
Corporation but upon every shareholder of the Corporation to the same extent as
if such statute had been in force at the date of filing these Articles of
Incorporation of the Corporation in the office of the Secretary of State of
Ohio.



                                       3.

<PAGE>   1

                                                                     EXHIBIT 3.3

                               CODE OF REGULATIONS
                                       OF
                         RTI INTERNATIONAL METALS, INC.

                                    ARTICLE I

                             SHAREHOLDERS' MEETINGS

         Section 1.  Annual Meeting.

         The annual meeting of shareholders for the election of Directors and
the consideration of reports to be laid before such meeting shall be held at 10
o'clock A.M., or at such other hour as may be designated in the notice of said
meeting, on the fourth Thursday in April in each year, if not a legal holiday,
and if a legal holiday, then on the next day not a legal holiday, or at such
other date as the Directors may from time to time determine. Upon due notice,
there may also be considered and acted upon at an annual meeting any matter
which could properly be considered and acted upon at a special meeting, in which
case and for which purpose the annual meeting shall also he considered as, and
shall be, a special meeting. When the annual meeting is not held or Directors
are not elected thereat they may be elected at a special meeting called for that
purpose.

         Section 2.  Special Meetings.

         Special meetings of shareholders may be called by (i) the Chairman of
the Board or the President or a vice President, (ii) the Directors by action at
a meeting, or by a majority of the Directors acting without a meeting, or (iii)
the holder or holders of fifty percent (50%) of all shares outstanding and
entitled to be voted at said meeting.

         Upon request in writing delivered either in person or by registered
mail to the President or Secretary by any person or persons entitled to call a
meeting of shareholders, such officer shall forthwith cause to be given, to the
shareholders entitled thereto, notice of a meeting to be held not less than
seven nor more than 60 days after the receipt of such request, as such officer
shall fix. If such notice is not given within 20 days after the delivery or
mailing of such request, the person or persons calling the meeting may fix the
time of the meeting and give, or cause to be given, notice in the manner
hereinafter provided.

         Section 3.  Place of Meetings.

         Any meeting of shareholders may be held either at the Principal office
of the Corporation or at such other place within or without the State of Ohio as
may be designated in the notice of said meeting.


                                       4.

<PAGE>   2



         Section 4.  Notice of Meetings.

         Not more than 60 days nor less than seven days before the date fixed
for a meeting of shareholders, whether annual or special, written notice of the
time, place and purposes of such meeting shall be given by or at the direction
of the President, a Vice President, the Secretary or an Assistant Secretary.
Such notice shall be given either by personal delivery or by mail to each
shareholder of record entitled to notice of such meeting. If such notice is
mailed, it shall be addressed to the shareholders at their respective addresses
as they appear on the records of the Corporation, and notice shall be deemed to
have been given on the day so mailed. Notice of adjournment of a meeting need
not be given if the time and place to which it is adjourned are fixed and
announced at such meeting.

         Section 5.  Shareholders Entitled to Notice and to Vote.

         If a record date shall not be fixed pursuant to statutory authority,
the record date for the determination of shareholders who are entitled to notice
of, or who are entitled to vote at, a meeting of shareholders, shall be the
close of business on the date next preceding the day on which notice is given,
or the close of business on the date next preceding the day on which notice is
given, or the close of business on the date next preceding the day, on which the
meeting is held, as the case may be.

         Section 6.  Inspectors of Election; List of Shareholders.

         Inspectors of election may be appointed to act at any meeting of
shareholders in accordance with the Ohio General Corporation Law.

         At any meeting of shareholders, an alphabetically arranged list, or
classified lists, of the shareholders of record as of the applicable record date
who are entitled to vote, showing their respective addresses and the number and
classes of shares held by each, shall be produced on the request of any
shareholder.

         Section 7.  Quorum.

         To constitute a quorum at any meeting of shareholders, there shall be
present in person or by proxy shareholders of record entitled to exercise not
less than a majority of the voting power of the Corporation in respect of any
one of the purposes for which the meeting is called.

         The holders of a majority of the voting power represented in person or
by proxy at a meeting of shareholders, whether or not a quorum be present, may
adjourn the meeting from time to time.

         Section 8.  Voting.


                                       5.

<PAGE>   3



         In all cases, except as otherwise expressly required by statute, the
Articles of Incorporation of the Corporation or these Regulations, majority of
the votes cast at a meeting of shareholders shall control. An abstention shall
not represent a vote cast.

         Section 9.  Reports to Shareholders.

         At the annual meeting, or the meeting held in lieu thereof, the
officers of the Corporation shall lay before the shareholders a financial
statement as required by the Ohio General Corporation Law.

         Section 10.  No Action Without a Meeting.

         Any action required to be taken at any annual or special meeting of the
stockholders of the Corporation, or any action which may be taken at any annual
or special meeting of the stockholders or otherwise, may not be taken without a
meeting, prior notice and a vote, and stockholders may not act by written
consent.

         Section 11.  Chairman of Meeting.

         The chairman of any meeting of shareholders shall be the Chairman of
the Board or, if the Directors have not elected a Chairman of the Board, the
President of the Corporation. The Chairman of the Board or, if the Directors
have not elected a Chairman of the Board or the Chairman of the Board is
unavailable to do so, the President may appoint any other officer of the
Corporation to act as chairman of any shareholders' meeting. Notwithstanding the
foregoing, the Directors may appoint any individual to act as chairman of any
shareholders' meeting.

                                   ARTICLE II
                                        
                                   DIRECTORS

         Section 1.  Election, Number and Term of office.

         (a) The Directors shall be elected at the annual meeting of
shareholders, or if not so elected, at a special meeting of shareholders called
for that purpose, and each Director shall hold office until the date fixed by
(c) of this Section, or until his earlier resignation, removal from office or
death. At any meeting of shareholders at which Directors are to be elected, only
persons nominated as candidates shall be eligible for election.

         (b) The number of Directors, which shall not be less than three (unless
all of the shares of the Corporation are owned of record by one or two
shareholders, in which case the number of Directors may be less than three but
not less than the number of shareholders) or more than twelve, may be fixed or
changed at a meeting of the shareholders called for the purpose of electing
Directors at which a quorum is present, by the affirmative vote of the holders
of majority of the shares

                                       6.

<PAGE>   4



represented at the meeting and entitled to vote on such proposal or by the
Directors at a meeting of the Directors. No reduction in the number of Directors
shall have the effect of removing any Director prior to the expiration of his
term of office.

         (c) "Each Director of the Corporation shall hold office until the next
annual meeting of the shareholders and until his successor is elected, or until
his earlier resignation, removal from office or death.

         In the case of any increase in the number of Directors of the
Corporation, the additional Director or Directors shall be elected by the Board
of Directors."

         (d) In the case of any vacancy in the Board of Directors through death,
resignation, disqualification or other cause, a successor to hold office for the
unexpired portion of the term of the Director whose place shall be vacant, and
until the election of his successor, shall be elected by a majority of the Board
of Directors then in office, though less than a quorum.

         (e) A Director of the Corporation may be removed only for cause.

         Section 2.  Meetings.

         Regular meetings of the Directors shall be held immediately after the
annual meeting of shareholders and at such other times and places as may be
fixed by the Directors, and such meetings may be held without further notice.

         Special meetings of the Directors may be called by the Chairman of the
Board or by the President or by a Vice President or by the Secretary of the
Corporation, or by not less than one-third of the Directors. Notice of the time
and place of a special meeting shall be served upon or telephoned to each
Director at least 24 hours, or mailed, telegraphed or cabled to each Director at
least 48 hours, prior to the time of the meeting.

         Section 3.  Quorum and Voting.

         A majority of the number of Directors then in office shall be necessary
to constitute a quorum for the transaction of business, but if at any meeting of
the Directors there shall be less than a quorum present, a majority of those
present may adjourn the meeting from time to time without notice other than
announcement at the meeting until a quorum shall attend. In all cases, except as
otherwise expressly required by statute, the Articles of Incorporation of the
Corporation or these Regulations, the act of a majority of the Directors present
at a meeting at which a quorum is present is the act of the Director.

         Section 4.  Action Without a Meeting.


                                       7.

<PAGE>   5



         Any action which may be authorized or taken at a meeting of the
Directors may be authorized or taken without a meeting with the affirmative vote
or approval of, and in a writing or writings signed by, all of the Directors,
which writing or writings shall be filed with or entered upon the records of the
Corporation.

         Section 5.  Committees.

         The Directors may from time to time create a committee or committees of
Directors and may delegate to such committee or committees any of the authority
of the Directors, however conferred, other than that of filling vacancies among
the Directors or in any committee of the Directors. No committee shall consist
of less than three Directors. The Directors may appoint one or more Directors as
alternate members of any such committee, who take the place of any absent member
or members at any meeting of such committee.

         In particular, the Directors may create and define the powers and
duties of an Executive Committee. Except as above provided and except to the
extent that its powers are limited by the Directors, the Executive Committee
during the intervals between meetings of the Directors shall possess and may
exercise, subject to the control and direction of the Directors, all the power
of the Directors in the management and control of the business of the
Corporation, regardless of whether such powers are specificity conferred by
these Regulations. All actions taken by the Executive committee be reported to
the Directors at their first meeting thereafter.

         Unless otherwise ordered by the Directors, a majority of the members of
any committee appointed by the Directors pursuant to this section shall
constitute a quorum at any meeting thereof, and the act of a majority of the
members present at a meeting at which a quorum is present shall be the act of
such committee. Action may be taken by any such committee without a meeting by a
writing or writings signed by all of its members. Any such committee shall
prescribe its own rules for calling and holding meeting and its method of
procedure, subject to any rules prescribed by the Directors, and shall keep a
written record of all action taken by it.

                                   ARTICLE III

                                    OFFICERS

         Section 1.  Officers.

         The Corporation may have a Chairman of the Board and shall have a
President, a Secretary and a Treasurer (none of whom need to be directors). The
Corporation may also have one or more Vice Presidents and such other officers as
the Directors may deem necessary. All of the officers shall be elected by the
Directors.

         Section 2.  Authority and Duties of Officers.


                                       8.

<PAGE>   6



         The officers of the Corporation shall have such authority and shall
perform such duties as are customarily incident to their respective offices, or
as may be specified from time to time by the Directors, regardless of whether
such authority and duties are customarily incident to such office.

                                   ARTICLE IV

                          INDEMNIFICATION AND INSURANCE

         Section 1.  Indemnification.

         The corporation shall indemnify, to the full extent then permitted by
law, any person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action, suit or proceeding, whether civil,
criminal, administrative or investigative, by reason of the fact that he is or
was a member of the Board of Directors of an officer of the Corporation, or is
or was serving at the request of the corporation as a director, trustee or
officer of another corporation, partnership, joint venture, trust or other
enterprise. The Corporation, shall pay, to the full extent then required by law,
expenses, including attorney's fees, incurred by a member of the Board of
Directors in defending any such action, suit or proceeding as they are incurred,
in advance of the final disposition thereof, and may pay, in the same manner and
to the full extent then permitted by law, such expenses incurred by any other
person. The indemnification and payment of expenses provided hereby shall not be
exclusive of, and shall be in addition to, any other rights granted to those
seeking indemnification under any law, the Articles of Incorporation, any
agreement, vote of shareholders or disinterested members of the Board of
Directors, or otherwise, both as to action in official capacities and as to
action in another capacity while he is a member of the Board of Directors or
officer of the Corporation and shall continue as to a person who has ceased to
be a member of the Board of Directors, trustee or officer and shall inure to the
benefit of the heirs, executors, and administrators of such a person. The
indemnification provided for herein shall not be deemed to restrict the right of
the Company to indemnify employees, agents and other to the extent not
prohibited by applicable law.

         Section 2.  Insurance.

         The Corporation may, to the full extent then permitted by law and
authorized by the Directors, purchase and maintain insurance or furnish similar
protection, including but not limited to trust funds, letters of credit or
self-insurance, on behalf of or for any persons described in Section 1 against
any liability asserted against and incurred by any such person in any such
capacity, or arising out of his status as such, whether or not the Corporation
would have the power to indemnify such person against such liability. Insurance
may be purchased from or maintained with a person in which the Corporation has a
financial interest.

         Section 3.  Agreements.


                                       9.

<PAGE>   7


         The Corporation, upon approval by the Board of Directors, may enter
into agreements with any persons whom the Corporation may indemnify under these
Regulations or under law and undertake thereby to indemnify such persons and to
pay the expenses incurred by them in defending any action, suit or proceeding
against them, whether or not the Corporation would have the power under these
Regulations or law to indemnify any such person.

                                    ARTICLE V

                                  MISCELLANEOUS

         Section 1.  Transfer and Registration of Certificate.

         The Directors shall have authority to make such rules and regulations
as they deem expedient concerning the issuance, transfer and registration of
certificates for shares and the shares represented thereby and may appoint
transfer agents and registrars thereof.

         Section 2.  Voting of Shares Held by the Corporation.

         Unless otherwise ordered by the Directors, any officer of the
Corporation, in person or by proxy or proxies appoint by him, shall have full
power and authority on behalf of the Corporation to vote, act and consent with
respect to any shares issued by other corporations which the Corporation may
own.

         Section 3.  Amendments.

         Shareholders may adopt, amend and repeal the regulations at any annual
or special meeting of the shareholders by an affirmative vote of two-thirds of
the shares outstanding and entitled to vote thereon, provided that notice of
intention to adopt, amend or repeal the regulations in whole or in part shall
have been included in the notice of the meeting.

         Section 4.  Substituted Certificates.

         Any person claiming a certificate for shares to have been lost, stolen
or destroyed shall make an affidavit or affirmation of that fact, shall give the
Corporation and its registrar or registrars and its transfer agent or agents a
bond of indemnity satisfactory to the Directors or to the Executive Committee or
to the President or a Vice President and the Secretary or the Treasurer, and, if
required by the Directors or the Executive Committee or such officers, shall
advertise the same in such manner as may be required, whereupon a new
certificate may be executed and delivered of the same tenor and for the same
number of shares as the one alleged to have been lost, stolen or destroyed.



                                       10.


<PAGE>   1
                                                                     EXHIBIT 5.1



                                  [LETTERHEAD]



                                 August 20, 1998


RTI International Metals, Inc.
1000 Warren Avenue
Niles, OH   44446

         Re:      Registration of 21,007,468 Common Shares, $0.01 par
                  value per share, of RTI International Metals, Inc. under the
                  Securities Act of 1933 in connection with the Agreement
                  of Merger referred to below
                  ------------------------------------------------------------

Ladies and Gentlemen:

         We have acted as counsel for RTI International Metals, Inc., an Ohio
corporation ("RTI"), in connection with the Agreement of Merger (the "Agreement
of Merger") to be entered into by and among RMI Acquisition Company, an Ohio
corporation ("MergeCo"), RMI Titanium Company, an Ohio corporation ("RMI
Titanium"), and RTI. The Agreement of Merger, among other things, provides for
the merger of MergeCo with and into RMI Titanium (the "Merger") and,
incident thereto, the conversion of each of the Common Shares, $0.01 par value,
of RMI Titanium outstanding immediately prior to the Merger into one Common
Share, $0.01 par value, of RTI (the "RTI Common Shares").

         This opinion is subject to the following assumptions: (a) we have
assumed that the Merger has been approved by the board of directors and
shareholders of each of RTI, MergeCo and RMI Titanium, (b) we have assumed that,
as of the Effective Time (as defined in the Agreement of Merger), the Articles
of Incorporation of RTI will be as set forth in Exhibit 3.1 to the Registration
Statement on Form S-4 dated as of August 20, 1998 (the "Registration Statement")
(the "Articles of Incorporation"), (c) a Certificate of Merger has been filed
with and accepted by the Secretary of State of the State of Ohio, and (d) we
have assumed that RTI will not, prior to the consummation of the Merger, issue
or reserve for issuance a number of RTI Common Shares which, when added to the
number of RTI Common Shares which are subject to this opinion, would exceed the
maximum number of RTI Common Shares authorized pursuant to the Articles of
Incorporation.



<PAGE>   2
DOEPKEN KEEVICAN & WEISS
- ------------------------


RTI International Metals, Inc.
August 20, 1998
Page 2
         We have examined such documents, records and matters of law as we have
deemed necessary for purposes of this opinion, and based thereon, and subject to
the assumptions and qualifications set forth above, we are of the opinion that
the RTI Common Shares to be issued upon consummation of the Merger will be duly
authorized and, upon the filings intended to effect the Merger in accordance
with the Agreement of Merger and the laws of the State of Ohio, will be legally
issued, fully paid and nonassessable.

         This opinion is limited to the matters set forth herein. No opinion may
be inferred or implied beyond the matters expressly stated herein and our
opinions herein must be read in conjunction with the assumptions, limitations,
exceptions and qualifications set forth herein. No persons other than the
addressee may rely upon this opinion for any purpose and the addressee may not
rely on this opinion for any purpose other than the purpose stated herein
without the express written consent of the undersigned.

         We hereby consent to the filing of this opinion as Exhibit 5.1 to the
Registration Statement filed by you to effect registration of the
RTI Common Shares under the Securities Act of 1933, as amended, and the
reference to the firm under the heading "Legal Opinion".



                                Very truly yours,



                                Doepken, Keevican & Weiss
                                Professional Corporation



DKW/djf






<PAGE>   1
                                                                     EXHIBIT 8.1




                                  [LETTERHEAD]





                                 August 20, 1998

RMI Titanium Company
100 Warren Avenue
Niles, Ohio 44446

                  Re: Proposed Merger of RMI Acquisition Company With and Into 
                      RMI Titanium Company

Dear Sir or Madam:

                  Pursuant to Section 6.4 of the Agreement and Plan of Merger by
and among RMI Titanium Company, an Ohio corporation ("RMI Titanium"), RTI
International Metals, Inc., an Ohio corporation ("RTI Holdings"), and RMI
Acquisition Company, an Ohio corporation ("MergeCo") (the "Merger Agreement"),
RMI Titanium has requested our opinion regarding certain federal income tax
consequences of the proposed statutory merger of MergeCo with and into RMI
Titanium (the "Merger"). Under the terms of the Merger Agreement, shares of RMI
Titanium Common Stock will be converted into shares of RTI Holdings Common
Stock.

                  In connection with this opinion, we have examined such
documents and matters of law and fact as we have considered appropriate,
including the proposed form of the Merger Agreement and the Registration
Statement of RTI Holdings on Form S-4 under the Securities Act of 1933, to be
filed on or about August 20, 1998 with the Securities and Exchange Commission.

                  In rendering this opinion, we have made the following 
assumptions as to factual matters:

                  1. The representations and warranties of the parties and the
factual information contained in the documents listed above that may be deemed
to be material to this opinion are true in all material respects as of the date
hereof;

                  2. The Merger, and all transactions related thereto or
contemplated by the Merger Agreement and the Registration Statement, will be
consummated in accordance with the terms and conditions of the applicable
documents;

                  3. The Merger will qualify as a merger under applicable state
corporate law;



<PAGE>   2
DOEPKEN KEEVICAN & WEISS
- ------------------------

RMI Titanium Company
August 20, 1998
Page 2

                  4. RMI Titanium has formed RTI Holdings and MergeCo in order
to implement and facilitate the Merger and the corporate restructuring of which
it is a part. Immediately prior to the effective time of the Merger, RTI
Holdings will be a wholly owned subsidiary of RMI Titanium and MergeCo will be a
wholly owned subsidiary of RTI Holdings. The rights, preferences, privileges and
restrictions of the currently outstanding RMI Titanium Common Stock are
substantially identical to those of RTI Holdings Common Stock into which they
will be converted in the Merger; and

                  5. Pursuant to the Merger Agreement, and for good and
persuasive business reasons, MergeCo, at the effective time of the Merger, will
be merged with and into RMI Titanium in accordance with applicable state law,
and RMI Titanium will continue as the surviving corporation. As a result of the
Merger: (i) MergeCo's separate corporate existence will cease, and RMI Titanium
will hold substantially all of RMI Titanium's assets and business and
substantially all of the assets of MergeCo; (ii) each share of RMI Titanium
Common Stock issued and outstanding immediately prior to the effective time of
the Merger will be automatically converted into the right to receive one share
of RTI Holdings Common Stock; (iii) each share of RTI Holdings Common Stock
issued and outstanding immediately prior to the effective time of the Merger
will be canceled; and (iv) RMI Titanium will become a wholly owned subsidiary of
RTI Holdings.

                  Based upon the aforementioned assumptions, and our review and
analysis of the current state of the law, it is our opinion that if the Merger
Agreement is consummated in accordance with its terms, for federal income tax
purposes:

                  (a) The Merger and the issuance of RTI Holdings Common Stock
in connection therewith will constitute a tax-free reorganization under Section
368(a)(1) of the Internal Revenue Code of 1986, as amended (the "Code");

                  (b) No gain or loss will be recognized by holders of RMI
Titanium Common Stock who receive RTI Holdings Common Stock in exchange for the
shares of RMI Titanium Common Stock which they hold (except for any gain or loss
attributable to any cash received pursuant to the exercise of statutory
dissenters' rights);

                  (c) For federal income tax purposes, the holding period of RTI
Holdings Common Stock received in exchange for RMI Titanium Common Stock will
include the holding period of the RMI Titanium Common Stock for which it is
exchanged, assuming that the shares of RMI Titanium Common Stock are capital
assets in the hands of the holder thereof at the time of the Merger; and



<PAGE>   3
DOEPKEN KEEVICAN & WEISS
- ------------------------


RMI Titanium Company
August 20, 1998
Page 3
                  (d) The federal income tax basis of RTI Holdings Common Stock
received by the shareholders of RMI Titanium pursuant to the Merger will be the
same as the federal income tax basis of the shares of RMI Titanium Common Stock
exchanged therefor.

                  This opinion is based upon current authorities and upon facts
and assumptions as of this date. It addresses only the classification of the
Merger as a reorganization under Section 368(a)(1) of the Code and the other
federal income tax consequences described in paragraphs (a), (b), (c) and (d)
above, and does not address any other federal, state, local, or foreign tax
consequences that may result from the Merger or any other transaction, related
or otherwise. It is subject to change in the event of a change in the applicable
law or a change in the interpretation of such law by the courts or by the
Internal Revenue Service. There can be no assurance that legislative or
administrative changes or court decisions will not be forthcoming that would
significantly modify this opinion. Any such changes may or may not be
retroactive with respect to transactions prior to the date of such changes. This
opinion has no binding effect or official status, and accordingly, no assurance
can be given that the positions set forth herein will be sustained by a court,
if contested. No ruling will be obtained from the Internal Revenue Service with
respect to the Merger.

                  We hereby consent to the filing of this opinion as Exhibit 8.1
to the Registration Statement and to the reference of our firm under the
captions "Summary--Certain Federal Income Tax Consequences" and "Proposal to
Form a Holding Company--Certain Federal Income Tax Consequences" in the proxy
statement/prospectus contained therein.

                                        Very truly yours,



                                        Doepken Keevican & Weiss
                                        Professional Corporation



<PAGE>   1
                                                                    EXHIBIT 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Registration Statement on Form S-4 of RTI
International Metals, Inc. of our report dated January 23, 1998 appearing
on page 23 of RMI Titanium Company's Annual Report on Form 10-K for the
year ended December 31, 1997. We also consent to the reference to us under the
heading "Experts" in such Prospectus.


                                             /s/ PricewaterhousCoopers

                                                  August 20, 1998

<PAGE>   1


                                                                      Exhibit 24


                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

That the undersigned does hereby make, constitute and appoint Robert M.
Hernandez and R.M. Hays, or either of them, my true and lawful attorneys-in-fact
to sign and execute for me and on my behalf a registration statement or
statements on Form S-4, or on such form as the Securities and Exchange
Commission shall deem appropriate, and any and all amendments thereto, to be
filed with the Securities and Exchange Commission pursuant to the Securities Act
of 1933, as amended, in such form as either or both of them may approve, and to
do any and all other acts which said attorney-in-fact may deem necessary or
desirable to enable RMI Titanium Company to comply with said Act and the rules
and regulations thereunder in connection with the issuance of the shelf
registration by RMI Titanium Company.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this_________day of
August, 1998.




                                                 -----------------------------
<PAGE>   2



                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

That the undersigned does hereby make, constitute and appoint Robert M.
Hernandez, R.M. Hays, and/or Timothy G. Rupert or any of them, my true and
lawful attorneys-in-fact to sign and execute for me and on my behalf a
registration statement or statements on Form S-4, or on such form as the
Securities and Exchange Commission shall deem appropriate, and any and all
amendments thereto, to be filed with the Securities and Exchange Commission
pursuant to the Securities Act of 1933, as amended, in such form as any or all
of them may approve, and to do any and all other acts which said
attorney-in-fact may deem necessary or desirable to enable RMI Titanium Company
to comply with said Act and the rules and regulations thereunder in connection
with the issuance of the shelf registration by RMI Titanium Company.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this______day of
August, 1998.




                                               ---------------------------------

<PAGE>   1

                                                                  EXHIBIT 99.1


                              RMI TITANIUM COMPANY
                     1000 WARREN AVENUE, NILES, OHIO 44446


                      PROXY FOR SPECIAL MEETING TO BE HELD
                               SEPTEMBER 30, 1998


          SOLICITED ON BEHALF OF THE DIRECTORS OF RMI TITANIUM COMPANY

     The undersigned hereby appoints ROBERT M. HERNANDEZ, JOHN H. ODLE, TIMOTHY
G. RUPERT AND RICHARD M. HAYS, or any of them, proxies to vote all shares of
Common Stock which the undersigned is entitled to vote with all powers which
the undersigned would possess if personally present, at the Special meeting 
of Shareholders of RMI Titanium Company on September 30, 1998, and any
adjournments thereof, upon such matters as may properly come before the
meeting. SHAREHOLDERS ARE REQUESTED TO COMPLETE, DATE AND SIGN THIS PROXY 
CARD AND RETURN IT PROMPTLY IN THE ENCLOSED ENVELOPE. NO POSTAGE IS REQUIRED.



                PLEASE COMPLETE, DATE AND SIGN THE REVERSE SIDE.



                              FOLD AND DETACH HERE
<PAGE>   2

                                                             PLEASE MARK 
                                                             YOUR VOTE AS  [ X ]
                                                             INDICATED IN
                                                             THIS EXAMPLE



     This Proxy Card, when properly executed, will be voted in the manner
directed herein. If no direction to the contrary is indicated, it will be voted
"FOR" the approval of the merger and the formation of the holding company.


THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR:
1. Approval of the merger of RMI Acquisition
   Company into RMI Titanium Company pursuant to         FOR   AGAINST   ABSTAIN
   which RMI Titanium Company will become the            [ ]     [ ]       [ ] 
   wholly-owned subsidiary of RTI International
   Metals, Inc.



   Signature(s)_______________________________________   Dated:__________, 1998
   Please sign EXACTLY as your name appears hereon. When signing as fiduciary
   or corporate officer, give full title. Joint owners should both sign.




                              FOLD AND DETACH HERE


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