Aluminum has light specific gravity, small springback, high strength, close to or higher than high-quality steel, good plasticity. When the product forming is more complex, it is easier to control than stainless steel, and has excellent conductivity, thermal conductivity and corrosion resistance.
At present, the anodizing, wire drawing, sand blasting and other surface treatment processes of aluminum have been very mature, and the use of aluminum in mobile phones is also increasing. Aluminum processing industry has entered a stable stage.
According to the processing methods, aluminum alloys can be divided into [wrought aluminum alloy] and [cast aluminum alloy], and the number of aluminum and aluminum alloy is mainly divided into eight series.
The first series of aluminum materials are relatively soft, mainly used for decoration or interior decoration.
The secondary aluminum rod belongs to aviation aluminum material, which is used as structural material, and is not often used in conventional industry.
The third series are commonly used as tanks and tanks for liquid products, building processing parts, building tools, various lamp parts, and various pressure vessels and pipes for sheet metal processing.
Four series belong to building materials, mechanical parts, forging materials, welding materials; low melting point, good corrosion resistance, heat resistance, wear resistance.
Five series belongs to the more commonly used alloy aluminum plate series, commonly used in mobile phones, such as 5052.
The six series mainly contain magnesium and silicon, which are also commonly used in the production of mobile phones.
Seven series aluminum belongs to Aviation series, which is al mg Zn Cu alloy. At present, it is mainly imported.
Eight series aluminum belongs to other series and most of them are aluminum foil
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