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Product Code:SAE AMS4321
Title:Aluminum Alloy, Forgings, 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7049-01), High Temperature Annealed
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of die forgings, hand forgings and forging stock. These products have been used typically for parts to be machined prior to final heat treatment requiring a combination of dimensional stability and accentuation of ultrasonic response, and to achieve maximum mechanical properties with high resistance to stress-corrosion cracking after solution and precipitation heat treatment to T73 temper, but usage is not limited to such applications.