AMS6455M Steel, Sheet, Strip, and Plate 0.95Cr - 0.22V (0.48 - 0.53C) (SAE 6150)

AMS6455M is the result of a Five-Year Review and update of the specification. The revision prohibits unauthorized exceptions (3.6, 4.4.2, 5.1.1, 8.6), updates composition testing (3.1), clarifies conditions (3.2.1, 3.2.2, 3.2.2.1), updates decarburization (3.3.2.1, 3.3.2.2), adds condition for jominy specimens (3.3.4), adds agreement on frequency and severity (3.4.1, 8.8), revises testing frequency per AMS2301 (4.2.1, 4.4, 4.4.1), and allows prior revisions (8.7).