Robuta

https://saemobilus.sae.org/standards/amsqqa2509b-aluminum-alloy-5456-plate-sheet AMSQQA250/9B: Aluminum Alloy 5456, Plate and Sheet - Material Specification This specification covers the specific requirements for 5456 aluminum alloy plate and sheet; the general requirements are covered in AMS-QQ-A-250. plate and sheetaluminum alloymaterialspecification