Rationale:
AMS6492B results from a Five-Year Review and update of this specification that revises composition testing analytical methods (3.1), grain size determination (3.1.1 and 3.3.2) and macrostructure (3.3.3.1.1), adds tensile testing strain rates (3.3.3.1.1), revises surface quality (3.4.2), prohibits unauthorized exceptions (3.6), and revises testing frequency (4.2), reporting (4.4), and marking (5.2.1).
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