- Sep 29, 2017 -

With some other casting incomparable advantages of aluminum castings Aluminum Alloy casting aluminum castings, such as appearance, light weight, corrosion resistance and other advantages, make aluminum casting widely favored by the users, especially aluminum castings in automobile lightweight, aluminum casting Aluminum Alloy castings has been widely used in the automotive industry.

The density of cast aluminum alloy is smaller than that of cast iron and cast steel, but the specific strength is higher. Therefore, under the same load conditions, the use of aluminum alloy castings 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. Aluminum alloy has a good surface gloss, aluminum casting in the atmosphere and fresh water has a good corrosion resistance, so in the manufacture of civilian vessels, aluminum casting has a wide range of uses. Pure aluminum has good corrosion resistance in oxidizing acid medium such as nitric acid and acetic acid, so aluminum casting has certain uses in chemical industry. Pure aluminum and Aluminum Alloy has good thermal conductivity, used in chemical production in the heat exchange device, and the requirements of power machinery parts with good thermal performance, such as internal combustion engine cylinder head and piston, also suitable for manufacturing with Aluminum Alloy.

Aluminum casting aluminum alloy has good casting performance. Due to the low melting point (melting point of pure aluminum 660.230C, pouring temperature Aluminum Alloy generally in about 730 ~ 750oC), so it can be widely used in metal casting and pressure casting casting method, in order to improve the internal quality of the casting, size precision and surface smoothness and efficiency of production. Aluminum Alloy due to latent heat of solidification, the weight under the same conditions, the solidification process of aluminum casting time of liquid aluminum continues much longer than cast steel and cast iron, and put good liquidity, is conducive to the casting with thin wall and complex castings.

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