<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Condensed Consolidated Balance Sheet as of September 30, 1998 (unaudited) and
the Consolidated Statement of Operations for the Nine Months Ended September
30, 1998 (unaudited) and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                           4,500
<SECURITIES>                                     7,200
<RECEIVABLES>                                  192,000
<ALLOWANCES>                                         0
<INVENTORY>                                    130,800
<CURRENT-ASSETS>                               368,500
<PP&E>                                       1,004,800
<DEPRECIATION>                                 400,900
<TOTAL-ASSETS>                               1,759,500
<CURRENT-LIABILITIES>                          346,200
<BONDS>                                        305,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           200
<OTHER-SE>                                     729,100
<TOTAL-LIABILITY-AND-EQUITY>                 1,759,500
<SALES>                                      1,347,600
<TOTAL-REVENUES>                             1,347,600
<CGS>                                        1,058,600
<TOTAL-COSTS>                                1,058,600
<OTHER-EXPENSES>                               176,400
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              20,600
<INCOME-PRETAX>                                 92,000
<INCOME-TAX>                                    29,100
<INCOME-CONTINUING>                             62,900
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    62,900
<EPS-PRIMARY>                                    $2.68
<EPS-DILUTED>                                    $2.65