AMS4287A - Aluminum Alloy, Extrusion, 2.7 Cu - 1.8 Li - 0.7 Zn - 0.3 Mn - 0.3 Mg - 0.08 Zr (2099-T83), Solution Heat Treated, Stress Relieved by Stretching 1% to 4% and Aged

Details Document Number: AMS4287A Revision Number: A Title Aluminum Alloy, Extrusion, 2.7 Cu - 1.8 Li - 0.7 Zn - 0.3 Mn - 0.3 Mg - 0.08 Zr (2099-T83), Solution Heat Treated, Stress Relieved by Stretching 1% to 4% and Aged Scope This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) produced with cross sectional area of 42 square inches (271 cm2) maximum and a circumscribing circle diameter (circle size) of 15 inches (38 cm) maximum. See section 8.3 for definition of circumscribing circle size.

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