<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S CONSOLIDATED STATEMENT OF INCOME FOR THE SIX MONTHS ENDED JUNE 30,
1999 AND CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 1999 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001018963
<NAME> ALLEGHENY TECHNOLOGIES INCORPORATED
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   6-MOS
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<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
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