Papua New Guinea Pressure vessel
Aluminum alloy casting
Product Description
Casting aluminum alloy is an aluminum alloy that fills the mold with molten metal to obtain various shapes of parts. It has the advantages of low density, high specific strength, good corrosion resistance and casting processability, and is less restricted by the part structure design. It is divided into medium-strength alloys based on Al-Si and Al-Si-Mg-Cu; high-strength alloys based on Al-Cu; corrosion-resistant alloys based on Al-Mg; heat-resistant alloys based on Al-Re. Most of them need heat treatment to achieve the purpose of strengthening the alloy, eliminating internal stress of the casting, stabilizing the organization and part size. It is used to manufacture beams, gas turbine blades, pump bodies, hangers, wheels, intake lips and engine casings. It is also used to manufacture automobile cylinder heads, gearboxes and pistons, instrument housings and supercharger pump bodies and other parts.
The aluminum alloy used for the required parts is directly obtained by casting technology. It is required to have ideal castability: good fluidity, small shrinkage, hot cracking and cold cracking tendencies, small segregation and air absorption. The element content of cast aluminum alloy is generally higher than that of corresponding deformed aluminum alloy, and most alloys are close to eutectic composition.
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Address: Qiqiao Village, Sian Town, Tongzhou District, Nantong, Jiangsu Province, China.
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E-mail: masahirok@163.com
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