Steel Bars, Forgings, Forging Stock, and Mechanical Tubing 1.6Si - 0.82Cr - 1.8Ni - 0.40Mo - 0.08V (0.40 - 0.44C) Consumable Electrode Vacuum Remelted Normalized and Tempered AMS6257G

DOI: https://doi.org/10.4271/AMS6257G

Issuing Committee: AMS E Carbon and Low Alloy Steels Committee

Publisher: SAE International

Pages: 10

Rationale: AMS6257G 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 (3.7, 4.4.4, 5.2.1.1, 8.7), updates composition testing (3.1, 3.1.1), updates heat treatment requirements (3.3.1, 3.3.2), updates macrostructure examination (3.4.1, 8.9), standardizes wording on decarburization testing (3.4.4.5), adds strain rate control to tensile tests (3.4.5.1.3), updates acceptance testing (4.2.1), adds notes on stock removal (8.6), and allows prior revisions (8.8).