AMS6372P Steel, Mechanical Tubing 0.95Cr - 0.20Mo (0.33 - 0.38C) (SAE 4135)

AMS6372P is the result of a Five-Year Review and update of the specification. The revision updates the composition and reporting requirements (3.1, 3.1.2), updates the testing specification (3.2), updates exceptions requirements (Table 2, 3.6, 8.7), updates macrostructure testing (3.3.1.1, 3.3.1.2, 8.8), adds exception for Jominy testing (3.3.3), updates decarburization (3.3.3.4.1, 3.3.3.4.2), incorporates AMS2301 requirements (4.2.1, 4.4.3), and allows prior revisions (8.6).