<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
company's consolidated Balance Sheet and Profit & Loss financial statements and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          31,836
<SECURITIES>                                         0
<RECEIVABLES>                                  357,063
<ALLOWANCES>                                     7,811
<INVENTORY>                                    439,919
<CURRENT-ASSETS>                               872,314
<PP&E>                                       2,592,180
<DEPRECIATION>                               1,445,714
<TOTAL-ASSETS>                               2,224,235
<CURRENT-LIABILITIES>                          564,802
<BONDS>                                        166,627
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       322,027
<OTHER-SE>                                     681,852
<TOTAL-LIABILITY-AND-EQUITY>                 2,224,235
<SALES>                                      1,946,487
<TOTAL-REVENUES>                             1,946,487
<CGS>                                        1,483,038
<TOTAL-COSTS>                                1,483,038
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              16,295
<INCOME-PRETAX>                                194,943
<INCOME-TAX>                                    71,147
<INCOME-CONTINUING>                            123,796
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   123,796
<EPS-PRIMARY>                                     1.97
<EPS-DILUTED>                                     1.93