Covered aluminum castings: light weight, corrosion resistant

【China Aluminum Network】 Casting aluminum alloy has the advantage that some other castings can not be compared, such as beautiful, light weight, corrosion resistance and other advantages, making it widely favored by users, especially since the lightweight car, casting aluminum alloy castings in The automotive industry has been widely used.

Cast aluminum alloys have a lower density than cast iron and cast steel, while the specific strength is higher. Therefore, the use of aluminum alloy castings under the same load conditions can reduce the weight of the structure, so in the aviation industry and power machinery and transport machinery manufacturing, aluminum alloy castings have been widely used.

盖铝铸件:质量轻 耐腐蚀

Aluminum alloy has a good surface gloss, good corrosion resistance in the atmosphere and fresh water, so it has a wide range of uses in the manufacture of civilian utensils.

Pure aluminum has good corrosion resistance in oxidizing acid media such as nitric acid and acetic acid, and thus aluminum castings have a certain use in the chemical industry. Pure aluminum and aluminum alloys have good thermal conductivity, heat exchange devices used in chemical production, and parts that require good thermal conductivity on power machinery, such as cylinder heads and pistons for internal combustion engines, are also suitable for aluminum alloys. manufacture.

Aluminum alloys have good casting properties. Because of the lower melting point (pure aluminum melting point is 660.230C, aluminum alloy casting temperature is generally about 730 ~ 750oC or so), it can widely use the casting methods such as metal type and pressure casting to improve the intrinsic quality, dimensional accuracy and surface of the casting. Smoothness and productivity.

Because of the latent heat of solidification of aluminum alloy, under the same weight conditions, the solidification process of aluminum liquid lasts much longer than cast steel and cast iron, and has good fluidity, which is conducive to the casting of thin-walled and complex-structure castings.

盖铝铸件:质量轻 耐腐蚀

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