Product Code:SAE AMS4040 Title:Aluminum Alloy, Alclad Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn (Alclad 2024 and 1-1/2% Alclad 2024-0), Annealed Issuing Committee:Ams D Nonferrous Alloys Committee Scope:This specification covers an aluminum alloy in the form of sheet and plate clad on both sides with a different aluminum alloy.