<ARTICLE> 5
<LEGEND>       THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION 
               EXTRACTED FROM THE ARMCO INC. CONSOLIDATED BALANCE SHEETS,
               CONSOLIDATED STATEMENTS OF INCOME AND RELATED INTERIM
               FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY 
               REFERENCE TO SUCH FINANCIAL STATEMENTS. 
<RESTATED>
<CIK>          0000007383
<NAME>         ARMCO INC
<MULTIPLIER>   1,000
<CURRENCY>     U.S. DOLLAR

       
                                                                   
<PERIOD-TYPE>                 12-MOS       9-MOS        6-MOS        3-MOS        12-MOS
<FISCAL-YEAR-END>             DEC-31-1996  DEC-31-1996  DEC-31-1996  DEC-31-1996  DEC-31-1995
<PERIOD-START>                JAN-01-1996  JAN-01-1996  JAN-01-1996  JAN-01-1996  JAN-01-1995
<PERIOD-END>                  DEC-31-1996  SEP-30-1996  JUN-30-1996  MAR-31-1996  DEC-31-1995
<EXCHANGE-RATE>                         1            1            1            1            1
<CASH>                            168,900      140,900      181,000      223,900      136,800
<SECURITIES>                          300            0            0            0            0
<RECEIVABLES>                     137,400      201,800      200,400      180,100      162,800
<ALLOWANCES>                        3,800            0            0            0        4,400
<INVENTORY>                       246,900      246,800      226,400      226,600      216,200
<CURRENT-ASSETS>                  571,800      597,500      615,600      637,100      613,800
<PP&E>                          1,267,700    1,251,900    1,237,000    1,221,600    1,208,300
<DEPRECIATION>                    597,600      584,000      569,300      554,700      539,800
<TOTAL-ASSETS>                  1,867,800    1,895,300    1,916,300    1,928,800    1,896,600
<CURRENT-LIABILITIES>             358,200      384,300      377,800      415,500      419,000
<BONDS>                           344,300      344,400      364,200      358,400      361,600
<PREFERRED-MANDATORY>                   0            0            0            0            0
<PREFERRED>                       185,900      185,900      185,900      185,900      185,900
<COMMON>                            1,100        1,100        1,100        1,100        1,100
<OTHER-SE>                       (399,000)    (407,200)    (420,000)    (411,600)    (417,400)
<TOTAL-LIABILITY-AND-EQUITY>    1,867,800    1,895,300    1,916,300    1,928,800    1,896,600
<SALES>                         1,724,000    1,310,400      881,200      430,400    1,559,900
<TOTAL-REVENUES>                1,724,000    1,310,400      881,200      430,400    1,559,900
<CGS>                           1,548,400    1,188,400      805,600      391,300    1,392,700
<TOTAL-COSTS>                   1,548,400    1,188,400      805,600      391,300    1,392,700
<OTHER-EXPENSES>                        0            0            0            0            0
<LOSS-PROVISION>                        0            0            0            0            0
<INTEREST-EXPENSE>                 36,300       27,500       18,500        9,200       32,900
<INCOME-PRETAX>                    27,400       13,700        3,500        7,300       25,500
<INCOME-TAX>                        1,400          900          600          400        2,000
<INCOME-CONTINUING>                26,000       12,800        2,900        6,900       23,500
<DISCONTINUED>                      6,500        6,500            0            0        6,300
<EXTRAORDINARY>                         0            0            0            0            0
<CHANGES>                               0            0            0            0            0
<NET-INCOME>                       32,500       19,300        2,900        6,900       29,800
<EPS-PRIMARY>                        0.14         0.05        (0.06)        0.02         0.11
<EPS-DILUTED>                        0.14         0.05        (0.06)        0.02         0.11