<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ITEM 1 OF
FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          81,400
<SECURITIES>                                    33,400
<RECEIVABLES>                                  395,200
<ALLOWANCES>                                         0
<INVENTORY>                                    328,600
<CURRENT-ASSETS>                               877,100
<PP&E>                                       2,408,300
<DEPRECIATION>                              (1,602,100)
<TOTAL-ASSETS>                               1,816,400
<CURRENT-LIABILITIES>                          468,000
<BONDS>                                        235,700
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        47,200
<OTHER-SE>                                     784,700
<TOTAL-LIABILITY-AND-EQUITY>                 1,816,400
<SALES>                                      1,768,200
<TOTAL-REVENUES>                             1,768,200
<CGS>                                        1,373,900
<TOTAL-COSTS>                                1,373,900
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              13,900
<INCOME-PRETAX>                                105,700
<INCOME-TAX>                                    35,200
<INCOME-CONTINUING>                             70,500
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    70,500
<EPS-PRIMARY>                                     1.47
<EPS-DILUTED>                                     1.46