How to classify aluminum alloys

Aluminum alloy is divided into deformation aluminum alloy and cast aluminum alloy according to its composition and processing method. Deformation of aluminum alloy is the first alloy batching into billet, and then plastic deformation processing, by rolling, extrusion, stretching, forging and other methods into a variety of plastic processing products. Casting aluminum alloy is the raw material which is directly cast into various parts by sand mold, iron mold, investment mold and die casting method. 1. Deformation aluminum alloy deformation aluminum alloy is made of a variety of pressure processing methods made of tube, rod, line, type and other semi-finished aluminum alloy. According to its use, it can be divided into anti-corrosion aluminum alloy, super hard aluminum, special aluminum, hard aluminum, forged aluminum 5 categories. Common rustproof aluminum alloy in the main alloy elements are manganese and magnesium, manganese can improve its corrosion resistance, magnesium to strengthen and reduce the proportion, its characteristics are corrosion resistance, good polishing, can keep bright surface for a long time, high strength than pure aluminum, used for manufacturing and liquid contact parts, pipes, daily necessities, decorations, etc.; Duralumin, also known as Duralumin, is aluminum, copper, magnesium alloy and contains a small amount of manganese. The solubility of copper and magnesium in aluminum is larger and has a strengthening effect, while manganese makes it corrosion resistant. Duralumin can be used to make rivets, aircraft propellers and high-strength parts of aircraft according to different alloying elements. Super hard aluminum is a hard aluminum containing zinc, its hardness and strength are higher than that of hard aluminum, different kinds of super hard aluminum used to manufacture various structural parts, high load parts, is one of the important materials of aviation industry; Forged aluminum in general state has high plasticity, high strength, used to manufacture a variety of forgings or stamping parts, such as internal combustion engine piston; Special aluminum is used in specific circumstances, different components, each purpose. 2. Casting aluminum alloy casting aluminum alloy is used for direct casting of various shapes of mechanical parts of aluminum alloy. According to the main elements added can be divided into Al-Si alloy, Al-Zn alloy, Al-Mg alloy. Each system has its own brand and is more complex.

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