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Standard

Aluminum Alloy Forgings and Rolled Rings, 4.4Cu - 0.85Si - 0.80Mn - 0.50Mg (2014-T6), Solution and Precipitation Heat Treated

2019-09-18
WIP
AMS4133F
This specification covers an aluminum alloy in the form of die forgings, hand forgings, rolled rings, and forging stock. These products have been used typically for aircraft structural members requiring moderately high strength. Certain design and processing procedures may cause these forgings and rolled rings to become susceptible to stress-corrosion cracking; ARP823 recommends practices to minimize such conditions.
Standard

Aluminum Alloy, Die and Hand Forgings 5.6zn 2.5mg 1.6cu 0.23cr Solution Heat Treated and Aged

2003-03-12
CURRENT
MAM4131B
This specification covers an aluminum alloy in the form of die forgings and hand forgings procured to metric (SI) units. AMS 4131 is the inch/pound verison of this MAM. These forgings have been used typically for parts requiring a combination of good strength and resistance to stress-corrosion cracking, but usage is not limited to such applications.
Standard

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

2003-03-12
CURRENT
MAM4247B
This specification covers an aluminum alloy in the form of hand forgings procured to metric dimensions. AMS 4247 is the inch/pound version of this MAM. These forgings have been used typically for parts requiring a combination of high strength and resistance to stress-corrosion cracking and for parts requiring stability during machining, but usage is not limited to such applications.
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