Includes: 3003, 3XXX series are AL-Mn alloys, the most widely used type of rust-resistant aluminum. This alloy has relatively low strength (slightly higher than industrial pure aluminum) and cannot be strengthened by heat treatment; therefore, cold working methods are used to improve its mechanical properties. It has high plasticity in the annealed state, good plasticity in the semi-cold-worked state, low plasticity in the cold-worked state, good corrosion resistance, good weldability, but poor machinability. Applications are mainly for low-load parts requiring high plasticity and good weldability, operating in liquid or gaseous media, such as fuel tanks, gasoline or lubricating oil conduits, various liquid containers, and other small-load parts made by deep drawing. Wire is used for rivets. 3XXX series aluminum sheets have good formability, weldability, and corrosion resistance. Used for processing parts and components that require good formability, high corrosion resistance, and good weldability, or for applications that require both these properties and higher strength than 1XXX series alloys, such as kitchenware, food and chemical product handling and storage devices, tanks and containers for transporting liquid products, various pressure vessels and pipes made from thin plates, general utensils, heat sinks, decorative panels, photocopier rollers, and shipbuilding materials.
May 09 , 2026
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