Aluminum 3xxx alloy(3003, 3004, 3104, 3105), 3xxx alloy has good corrosion resistance, better hardness than 1xxx alloy, used for decoration, bottle body.
Aluminum 5xxx alloy(5052, 5005, 5182, 5754, 5456 5083), 5xxx alloy has high corrosion resistance, good forming property, good welding performance, commonly used for decoration, automobile, marine service, fuel tank, can cover material, road signs etc.
Aluminum alloy 6061, 6063...6xxx alloy has high strength, good corrosion resistance, weldability, superior for oxidation, commently applied for construction, electron, mould making, extrusions, vehicle etc.