Steel Bars, Forgings, Mechanical Tubing and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.49 - 0.55C) AMS6424H

DOI: https://doi.org/10.4271/AMS6424H

Issuing Committee: AMS E Carbon and Low Alloy Steels Committee

Publisher: SAE International

Pages: 9

Rationale: AMS6424H is the result of a Five-Year Review and update of the specification. The revision updates the title to match the scope, prohibits unauthorized exceptions (3.6, 4.4.4, 5.2.1.1, 8.6), updates composition and testing requirements (3.1), eliminates approval requirements (Table 2), updates macrostructure requirements (3.3.1.1, 3.3.1.2, 8.9), updates decarburization test methods (3.3.4.5), modifies impact testing requirements (3.3.3), incorporates requirements of AMS2301 (4.2.1, 4.4.5), adds guidance per AS1182 (8.5), and allows prior revisions (8.7).