SAE AMS4257

Aluminum Alloy Extrusion 3.7Cu – 1.15Li – 0.5Zn – 0.45Ag – 0.4Mg – 0.3Mn – 0.1Zr (2055-T84) Solution Heat Treated Stress Relieved by Stretching 2% to 5% and Aged

Published by	Publication Date	Number of Pages
SAE	2019	–

SAE AMS4257 – Aluminum Alloy Extrusion 3.7Cu – 1.15Li – 0.5Zn – 0.45Ag – 0.4Mg – 0.3Mn – 0.1Zr (2055-T84) Solution Heat Treated Stress Relieved by Stretching 2% to 5% and Aged

Form: This specification covers an aluminum alloy in the form of an extrusion. Application: This product has been used in aerospace applications requiring a combination of high strength and compressive properties and with good corrosion resistance but usage is not limited to such applications.