<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Financial Statements contained in Item 1 of Form 10-Q for the period ended June
30, 2000 and is qualified in its entirety by reference to such financial
statements. Figures are rounded to the nearest 100,000 (except EPS).
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 14000
<SECURITIES> 25000
<RECEIVABLES> 233300
<ALLOWANCES> 0
<INVENTORY> 204400
<CURRENT-ASSETS> 523300
<PP&E> 1622000
<DEPRECIATION> (1159700)
<TOTAL-ASSETS> 1079100
<CURRENT-LIABILITIES> 245600
<BONDS> 228700
0
0
<COMMON> 45100
<OTHER-SE> 288100
<TOTAL-LIABILITY-AND-EQUITY> 1079100
<SALES> 740500
<TOTAL-REVENUES> 740500
<CGS> 603900
<TOTAL-COSTS> 603900
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 7900
<INCOME-PRETAX> 69000
<INCOME-TAX> 26400
<INCOME-CONTINUING> 42600
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 42600
<EPS-BASIC> 0.95
<EPS-DILUTED> 0.94
</TABLE>