The automotive industry is booming at the same time, due to the needs of environmental protection and energy saving, automotive lightweight has become the world’s automobile development trend. According to the relevant departments to calculate, in 2020 the demand for automotive aluminum plate is about 5.3 million -5.9 million tons, lightweight aluminum market prospects can be expected. The implementation of automotive lightweight aluminum alloy material will play its natural advantages, mainly used to transform and replace the body material. The weight of the car can be divided into three categories: the weight of the vehicle, the weight of the engine, the weight of the chassis, and the weight of the heat exchange system. The purpose is to reduce the weight of the vehicle by using lighter materials under the premise of ensuring the performance. Aluminum alloy in the automotive lightweight has the natural advantages – fuel, emission reduction, safety, enhance performance.

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