Steel Bars, Forgings, and Tubing 1.8Ni - 0.25Mo (0.38 - 0.43C) (4640) AMS6312K

DOI: https://doi.org/10.4271/AMS6312K

Issuing Committee: AMS E Carbon and Low Alloy Steels Committee

Publisher: SAE International

Pages: 9

Rationale: AMS6312K results from a Five-Year Review and update of this specification that revises analytical methods (3.1), condition (3.2.2), macrostructure (3.3.1.2), hardenability (3.3.3), and decarburization (3.3.4.5) and prohibits unauthorized exceptions (3.6) and revises quality (3.4.2), reporting and marking (4.4.1, 4.4.4, 5.2.1).