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SAE AMS4459
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SAE AMS4459 Revision A, 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
Description / Abstract:
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 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.
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 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.
SAE AMS4459 Revision A, 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