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Due to the advantages of automotive aluminum sheets, their penetration rate in car doors, hoods, and tail panels continues to increase. At present, the United States, Japan, and Germany are the countries that use the most aluminum alloys in automobiles, such as the German Volkswagen Audi A8 and A2, and the Japanese NXS, which use 80% aluminum alloy in the body.

In 2020, the aluminum rate of North American car hood material is close to 75%, and the aluminum rate of auto door panel, trunk lids, and roofs exceeds 25%. The full aluminumization of the car body represented by new energy vehicles such as Audi, Jaguar, F-150 trucks, and TESLA-S brands has promoted the application of aluminum alloy sheets in structural parts.

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5754 aluminum alloy is used in the field of door lining manufacturing. It has the advantages of high strength, good plasticity, high specific strength, good welding performance, strong temperature resistance, good corrosion resistance, and high fatigue strength. 5754 h14 is its popular temper.

5182 aluminum alloy is a medium-strength aluminum alloy with excellent forming and processing properties, corrosion resistance, weldability and fatigue resistance. It is particularly suitable for automobile body panels, roof panels, hoods and other parts.

6xxx aluminum, i.e. aluminum-magnesium-silicon alloy, is more commonly used in automobile exterior coverings, such as hoods, trunk lids, fenders, etc. This type of alloy has high strength and good corrosion resistance, and can withstand the erosion of the external environment and the impact of the vehicle during driving. 6 series aluminum also has good deformability and is suitable for the manufacture of coverings with complex shapes.

6016 aluminum is used in the auto door outer panel, which can meet the dent resistance design requirements by increasing the sheet thickness and optimizing the structure. Under the premise of meeting the stiffness and strength design requirements and relevant collision regulations, AA6016 aluminum alloy sheet can be widely used in the door outer panel of the car to replace the traditional steel sheet, so that the weight can be reduced by more than 40%, achieving the purpose of light weight.

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