3003: For the processing need to have good formability, high corrosion resistance and good weld ability parts and components, or both of these performance requirements and the need to have a high strength alloy than 1XXX work, such as kitchen utensils, food and chemical products handling and storage equipment, tank transport of liquid products, cans, sheet metal processing to various pressure vessels and piping.
3004: Aluminum cans, requiring a higher strength than the 3003 alloy parts, chemical products and storage devices, sheet metal parts, machining parts building, construction tools, a variety of lighting components.
3105: Room dividers, tailgate, activity room panels, gutters and downspouts, sheet metal forming parts, bottle caps, corks, etc.
3A21: Aircraft fuel tanks, oil pipe, rivets, wire, etc; and other building materials and food industry equipment.
