SAE AMS4320-1981
ALUMINUM ALLOY FORGINGS 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated (UNS A97149)

Standard No.

SAE AMS4320-1981

Release Date

1981

Published By

SAE - SAE International

Status

Be replaced

Replace By

SAE AMS4320A-1990

Latest

SAE AMS4320C-2022

Scope

Form: This specification covers an aluminium alloy in the form of die forgings@ hand forgings@ and forging stock. Application: Primarily for parts requiring high strength and resistance to stress-corrosion cracking.

SAE AMS4320-1981 history

• 2022 SAE AMS4320C-2022 Aluminum Alloy Forgings 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated
• 2014 SAE AMS4320B-2014 Aluminum Alloy Forgings 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated
• 2005 SAE AMS4320B-2005 Aluminum Alloy Forgings 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated UNS A97149
• 1994 SAE AMS4320A-1994 ALUMINUM ALLOY FORGINGS 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated
• 1990 SAE AMS4320A-1990 Aluminum Alloy, Forgings, 7.7Zn 2.5Mg 1.5Cu 0.16Cr, Solution and Precipitation Heat Treated (Reaffirmed: 01 Apr 1994)
• 1981 SAE AMS4320-1981 ALUMINUM ALLOY FORGINGS 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated (UNS A97149)