<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.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                           6,450
<SECURITIES>                                         0
<RECEIVABLES>                                  416,356
<ALLOWANCES>                                    10,199
<INVENTORY>                                    484,376
<CURRENT-ASSETS>                               935,912
<PP&E>                                       2,907,983
<DEPRECIATION>                               1,563,492
<TOTAL-ASSETS>                               2,509,972
<CURRENT-LIABILITIES>                          606,419
<BONDS>                                        305,908
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       262,282
<OTHER-SE>                                     772,949
<TOTAL-LIABILITY-AND-EQUITY>                 2,509,972
<SALES>                                      1,379,054
<TOTAL-REVENUES>                             1,379,054
<CGS>                                        1,091,613
<TOTAL-COSTS>                                1,091,613
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              14,693
<INCOME-PRETAX>                                 64,276
<INCOME-TAX>                                    26,996
<INCOME-CONTINUING>                             37,280
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    37,280
<EPS-BASIC>                                       0.61
<EPS-DILUTED>                                     0.61