SAE AMS4287B

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

Published by	Publication Date	Number of Pages
SAE	2020	6

SAE AMS4287B – Aluminum Alloy Extrusion 2.7Cu – 1.8Li – 0.7Zn – 0.3Mn – 0.3Mg – 0.08Zr (2099-T83) Solution Heat Treated Stress Relieved by Stretching 1 to 4% and Aged

This specification covers an aluminum alloy in the form of extruded bars rods and profiles (shapes) produced with nominal thickness up to 3.000 inch (76.20 mm) inclusive and having a cross sectional area of 42 square inches (271 square centimeters) maximum and a circumscribing circle diameter (circle size) of 15 inches (38 cm) maximum (see 8.9). See 8.3 for definition of circumscribing circle size.