
<PAGE>
                                                                      EXHIBIT 23
 
                        CONSENT OF INDEPENDENT AUDITORS
 
     We consent to the incorporation by reference in Registration Statement
Number 33-18510 on Form S-8 dated November 13, 1987, Registration Statement
Number 33-20884 on Form S-8 dated April 4, 1988, Registration Statement Number
33-27921 on Form S-8 dated April 10, 1989, Registration Statement Number
33-54061 on Form S-8 dated June 10, 1994 and Registration Statement Number
33-54787 on Form S-8 dated July 28, 1994 of our reports dated January 30, 1996,
with respect to the consolidated financial statements and schedule included in
the Annual Report on Form 10-K of Allegheny Ludlum Corporation for the year
ended December 31, 1995.
 
                                                       ERNST & YOUNG LLP
 
Pittsburgh, Pennsylvania
March 20, 1996

