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SAE AMS4459

Aluminum Alloy, Extrusion 2.7Cu - 1.8Li - 0.7Zn - 0.3Mn - 0.3Mg - 0.08Zr (2099-T81) Solution Heat Treated, Stress Relieved by Stretching 1 to 3% and Aged

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Organization: SAE
Publication Date: 1 August 2018
Status: active
Page Count: 7
scope:

Form

This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) from 0.375 to 1.300 inches (9.53 to 33.02 mm) in diameter or thickness, produced with cross sectional area of 22.5 in2 (145 cm2) maximum, and a circumscribing circle diameter (circle size) of 17.4 inches (44.2 cm) maximum. See 8.3 for definition of circumscribing circle size.

Application

These extrusions have been used typically for machined parts requiring high strength with high toughness, but usage is not limited to such applications.

Certain processing procedures may cause this product to become susceptible to stress-corrosion cracking; ARP823 recommends practices to minimize such conditions.

Document History

SAE AMS4459
August 1, 2018
Aluminum Alloy, Extrusion 2.7Cu - 1.8Li - 0.7Zn - 0.3Mn - 0.3Mg - 0.08Zr (2099-T81) Solution Heat Treated, Stress Relieved by Stretching 1 to 3% and Aged
Form This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) from 0.375 to 1.300 inches (9.53 to 33.02 mm) in diameter or thickness, produced with cross...
January 1, 2013
Aluminum Alloy, Extrusion 2.7Cu - 1.8Li - 0.7Zn - 0.3Mn - 0.3Mg - 0.08Zr (2099-T81) Solution Heat Treated, Stress Relieved by Stretching 1 to 3% and Aged
Form This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) produced with cross sectional area of 22.5 square inches (145 cm2) maximum and a...
March 1, 2012
Aluminum Alloy, Extrusion 2.7Cu - 1.8Li - 0.7Zn - 0.3Mn - 0.3Mg - 0.08Zr (2099-T81) Solution Heat Treated, Stress Relieved by Stretching 1 to 3% and Aged
Form This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) produced with cross sectional area of 22.5 square inches (145 cm2) maximum and a...

References

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