AMS6304N results from a Five-Year Review and update of the specification. Changes have been made to the title to match scope, updates composition (3.1), updates note on Table 2, incorporates strain rate control (18.104.22.168.1), revises macrostructure (22.214.171.124, 126.96.36.199), clarifies decarburization (188.8.131.52), changes frequency-severity cleanliness rating to periodic test (4.2.1, 4.4.5), prohibits unauthorized exceptions (3.6, 4.4.4, 184.108.40.206, 8.7), adds machining note (8.6), and allows prior revisions (8.8).
Coatings, colorants, and finishes
Also known as: SAE AMS 6304
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