This specification covers an aluminum alloy in the form of die forgings not over 3 inches (76 mm) and hand forgings up to 6 inches (150 mm), inclusive, in nominal thickness at the time of heat treatment, and forging stock of any size (see 8.7).
Rationale:
AMS4179E results from a Five-Year Review and update of this specification with changes to prohibit unauthorized exceptions (see 3.3.1.2, 3.6, 4.4.1.1, and 8.6), relocate Definitions (see 2.4), update Applicable Documents (see Section 2), Acceptance Tests (see 4.2.1), and Ordering Information (8.7), and allow the use of the immediate prior specification revision (see 8.5).
Related Topics:
Heat treatment
Aluminum alloys
Forging
Also known as: SAE AMS 4179
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