Aluminum Alloy, Extruded Profiles (2065-T84) 4.2Cu - 1.2Li – 0.52Mg – 0.32Mn – 0.32Ag - 0.1Zr Solution Heat Treated, Stress Relieved by Stretching and Artificially Aged AMS4366

This specification covers an aluminum-lithium alloy in the form of extruded profiles with a maximum cross-sectional area of 19 square inches (123 cm²) and a maximum circle size of 11 inches (279mm) from 0.040 to 0.499 inches (1.00 to 12.50 mm) in thickness.