<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>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          15,985
<SECURITIES>                                         0
<RECEIVABLES>                                  402,439
<ALLOWANCES>                                     7,334
<INVENTORY>                                    480,106
<CURRENT-ASSETS>                               940,585
<PP&E>                                       2,704,641
<DEPRECIATION>                               1,459,839
<TOTAL-ASSETS>                               2,425,032
<CURRENT-LIABILITIES>                          609,572
<BONDS>                                        239,814
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       294,357
<OTHER-SE>                                     743,763
<TOTAL-LIABILITY-AND-EQUITY>                 2,425,032
<SALES>                                        707,381
<TOTAL-REVENUES>                               707,381
<CGS>                                          533,015
<TOTAL-COSTS>                                  533,015
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,863
<INCOME-PRETAX>                                 79,508
<INCOME-TAX>                                    30,372
<INCOME-CONTINUING>                             49,136
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    49,136
<EPS-PRIMARY>                                      .79
<EPS-DILUTED>                                      .78