With faster development of China’s automible weight reduction, more and more auto manufacturer started to study aluminum alloy usage in automible making.
Aluminum materials have larger grain size than that of steel material, which leads to uneven surface after painting owning to the phenomenon of Roping Line. How to gain a better surface smothness effect of aluminum material become important in making aluminum automobles.
Aging stability is one of advantages of aluminum plate, that means aluminum material wont generate winkles or lose its shape during production, leaving enough time for the whole production process.
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