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【China Aluminum Industry Network】 Aluminum alloy materials for automobile bodies mainly include 2000 series, 5000 series and 6000 series alloy plates, profiles, pipes and high-performance cast aluminum. Different types of aluminum alloy materials are used in different force parts.
Skeleton part: The part where the body is subjected to a large force, using 2000 series or 7000 series materials, can be heat-treated and strengthened.
Skin section: The body's secondary force area is made of 5000 or 6000 materials.
Door part: using 5000 series or 6000 series materials.
Floor part: using 5000 series or 6000 series materials.
Interior part: using 1000 series or 5000 series materials, no heat treatment.
Seat part: The 2000 or 6000 series material can be heat-treated and strengthened.
Casting: high-performance cast aluminum alloy, heat-treatable.
Aluminum alloy plates mainly include 2000 series, 5000 series and 6000 series alloys.
The 2000 series alloy is an aluminum alloy that can be strengthened by heat treatment. It has excellent forgeability, high strength and good welding performance, and has a good baking strengthening effect, but its corrosion resistance is worse than that of other series of aluminum alloys. . At present, 2036 and 2022 alloys have been partially used for automotive body panels.
The 5000 series alloy is a kind of aluminum alloy that cannot be strengthened by heat treatment and has good corrosion resistance and welding performance. However, it may generate the Rudes line and delay the yield in the annealed state in the process of deformation. Therefore, it is mainly used for the shape of the inner body plate, etc. Complex parts.
The 6000 series alloy is a heat-treatable aluminum alloy that has high strength, good plasticity, and excellent corrosion resistance. Compared with the steel plate, the yield strength and tensile strength of the 6000 series 2T4 plate are similar, and the hardening coefficient even surpasses the steel plate. At present, 6009, 6010 and 6016 aluminum alloys are used in automobile body exterior panels and interior panels due to their good plasticity and their ability to achieve artificial strength and high strength in the paint baking process after forming. Audi A8's body panels use this series of aluminum alloys. In addition, to enhance the car's buffer capacity and enhance fatigue strength, Germany VAW, Japan KOK, China Southwest Aluminum are based on this alloy, research and development of high-performance automotive aluminum and aluminum profiles. Currently, 6000 series alloys are the main body panels.
September 19, 2022
September 09, 2022
September 08, 2022
September 09, 2022
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September 19, 2022
September 09, 2022
September 08, 2022
September 09, 2022
November 03, 2022
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