<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS CONTAINED IN ITEM 1 OF FORM 10-Q FOR THE PERIOD ENDED MARCH
31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS. FIGURES ARE ROUNDED TO THE NEAREST 100,000 (EXCEPT EPS).
</LEGEND>
<MULTIPLIER>   1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                           5,400
<SECURITIES>                                         0
<RECEIVABLES>                                  197,500
<ALLOWANCES>                                         0
<INVENTORY>                                    128,100
<CURRENT-ASSETS>                               361,500
<PP&E>                                         842,700
<DEPRECIATION>                               (524,100)
<TOTAL-ASSETS>                                 751,400
<CURRENT-LIABILITIES>                          186,900
<BONDS>                                         81,900
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        23,000
<OTHER-SE>                                     407,300
<TOTAL-LIABILITY-AND-EQUITY>                   751,400
<SALES>                                        225,000
<TOTAL-REVENUES>                               225,000
<CGS>                                          157,700
<TOTAL-COSTS>                                  157,700
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,000
<INCOME-PRETAX>                                 20,800
<INCOME-TAX>                                     7,300
<INCOME-CONTINUING>                             13,500
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    13,500
<EPS-PRIMARY>                                     0.59
<EPS-DILUTED>                                     0.59