<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
SEPTEMBER 30, 1996, CONSOLIDATED STATEMENT OF INCOME AND CONSOLIDATED BALANCE
SHEET AND IS QUALIFIED IN ITS ENTIRETY BY  REFERENCE TO SUCH FINANCIAL 
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                          21,535
<SECURITIES>                                         0
<RECEIVABLES>                                  215,216
<ALLOWANCES>                                         0
<INVENTORY>                                    179,170
<CURRENT-ASSETS>                               440,494
<PP&E>                                         879,347
<DEPRECIATION>                               (315,217)
<TOTAL-ASSETS>                               1,130,321
<CURRENT-LIABILITIES>                          207,291
<BONDS>                                        234,890
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,790
<OTHER-SE>                                     541,062
<TOTAL-LIABILITY-AND-EQUITY>                 1,130,321
<SALES>                                      1,220,545
<TOTAL-REVENUES>                             1,220,545
<CGS>                                          949,161
<TOTAL-COSTS>                                  949,161
<OTHER-EXPENSES>                               (5,018)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,938
<INCOME-PRETAX>                                113,849
<INCOME-TAX>                                    42,900
<INCOME-CONTINUING>                             70,949
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    70,949
<EPS-PRIMARY>                                     1.33
<EPS-DILUTED>                                     1.33