Technical Datasheets for Aluminium Alloy - AMS [view all] Aluminium Alloy - AMS AMS 4029 (L93) Plate AMS 4029 (L93) (2014A) Plate is a heat treatable aerospace aluminium alloy with high mechanical strength - slightly higher than 2011 and 2017A AMS 4050 T7451 Plate AMS 4050 T7451 (7050) Plate is a high strength aerospace aluminium alloy with good resistance to stress-corrosion cracking AMS 4342 T74511 Bar AMS 4342 T74511 (7050) Bar is a high strength aerospace aluminium alloy with good resistance to stress-corrosion cracking AMS4101 (QQ-A-250/29) T851 Plate AMS 4101 (QQ-A_250/29) (2124) Plate is a medium to high strength aerospace aluminium alloy supplied in T851 temper