This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing. AMS6381K is the result of a Five-Year Review and update of the specification. The revision includes updates in composition testing and reporting (3.1, 3.1.2), revision of test procedures (3.2), prohibition of unauthorized exceptions, adds macrostructure requirements (3.3.1, 8.8) adds information on jominy testing (3.3.3), updates decarburization test methods (3.3.4.4), addresses changes in AMS2301 (4.2.1, 4.4.3), adds a note on surface finish (8.5), and allows prior revisions (8.6).


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    Title :

    Steel, Mechanical Tubing 0.95Cr - 0.20Mo (0.38 - 0.43C) (SAE 4140)


    Publication date :

    2022-11-02



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English