

                                                  Exhibit 23(b)

          We consent to the reference to our firm under the caption "Item 3.-
          Incorporation of Documents by Reference" in the Registration Statement
          on Form S-8 of Allegheny Ludlum Corporation for the registration of
          100,000 shares of its common stock and to the incorporation by
          reference therein of our report dated January 30, 1996, with respect
          to the consolidated financial statements of Allegheny Ludlum
          Corporation incorporated by reference in its Form 10-K for the fiscal
          year ended December 31, 1995 and the related financial statement
          schedules included therein, filed with the Securities and Exchange
          Commission.


                                                  Ernst & Young LLP

          Pittsburgh, Pennsylvania
          April 9, 1996

