This specification covers a premium aircraft-quality alloy steel in the form of bars and forgings 199 square inches (1284 cm2) and under in cross section, and forging stock of any size. AMS6509B is the result of a Five-Year Review and update of the specification. The revision includes clarification of size limits (1.1, 3.3, 3.5.3.1), composition updates (3.1, 3.1.1), adds strain rate control (3.5.3.1.1.3), prohibits unauthorized exceptions (3.5.3.1.5, 3.8, 4.4.4, 5.2.1, 8.5, 8.7), adds finish information (8.4), and allows prior revisions (8.6).


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    Title :

    Steel Bars and Forgings 3.5Cr - 7.5Ni - 16.3Co - 1.75Mo - 0.2W - (0.09 - 0.13C) Double Vacuum Melted, Normalized, Annealed


    Publication date :

    2022-09-30



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English