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SAE AMS4247C

Действует
Aluminum Alloy, Hand Forgings 7.7Zn - 2.4Mg - 1.6Cu - 0.16Cr (7049-T7352) Solution Heat Treated, Stress Relieved by Compression, and Precipitation Heat Treated
This specification covers an aluminum alloy in the form of hand forgings up to 5 inches, incl (127 mm, incl) in nominal thickness at the time of heat treatment, procured to inch/pound dimensions (see 8.6).