<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE JUNE 30,
1999, 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>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          19,494
<SECURITIES>                                         0
<RECEIVABLES>                                  258,905
<ALLOWANCES>                                         0
<INVENTORY>                                    267,329
<CURRENT-ASSETS>                               580,574
<PP&E>                                       1,180,099
<DEPRECIATION>                                 435,817
<TOTAL-ASSETS>                               1,499,232
<CURRENT-LIABILITIES>                          253,344
<BONDS>                                        369,166
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,910
<OTHER-SE>                                     688,452
<TOTAL-LIABILITY-AND-EQUITY>                 1,499,232
<SALES>                                        931,866
<TOTAL-REVENUES>                               931,866
<CGS>                                          727,105
<TOTAL-COSTS>                                  727,105
<OTHER-EXPENSES>                                 5,307
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,342
<INCOME-PRETAX>                                 82,129
<INCOME-TAX>                                    31,800
<INCOME-CONTINUING>                             50,329
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    50,329
<EPS-BASIC>                                        .96
<EPS-DILUTED>                                      .96