<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC form
10-Q and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>  1,000,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1998
<CASH>                                              42
<SECURITIES>                                         0
<RECEIVABLES>                                      597
<ALLOWANCES>                                         0
<INVENTORY>                                        535
<CURRENT-ASSETS>                                 1,527
<PP&E>                                           3,647
<DEPRECIATION>                                   1,888
<TOTAL-ASSETS>                                   5,102
<CURRENT-LIABILITIES>                            1,365
<BONDS>                                          1,761
<COMMON>                                           669
<PREFERRED-MANDATORY>                              503
<PREFERRED>                                          0
<OTHER-SE>                                      (1,051)
<TOTAL-LIABILITY-AND-EQUITY>                     5,102
<SALES>                                          2,423
<TOTAL-REVENUES>                                 2,423
<CGS>                                            1,923
<TOTAL-COSTS>                                    1,923
<OTHER-EXPENSES>                                   (70)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  73
<INCOME-PRETAX>                                    100
<INCOME-TAX>                                        27
<INCOME-CONTINUING>                                 67
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                        67
<EPS-PRIMARY>                                     1.25<F1>
<EPS-DILUTED>                                     1.20<F2>
<FN>
<F1> Represents basic earnings per share as defined in FASB Statement No. 128
<F2> Represents diluted earnings per share as defined in FASB Statement No. 128.
</FN>