The difference between aluminum alloy and zinc alloy

mtalum

The general term for aluminum-based alloys. The main alloying elements are copper, silicon, magnesium, zinc, and manganese, and the secondary alloying elements are nickel, iron, titanium, chromium, lithium and so on.

Aluminum alloy has low density, but relatively high strength, which is close to or exceeds that of high-quality steel. It has good plasticity and can be processed into various profiles. It has excellent electrical conductivity, thermal conductivity and corrosion resistance. It is widely used in industry. . Aluminum alloys are divided into two categories: cast aluminum alloys, which are used in the as-cast state; deformed aluminum alloys, which can withstand pressure processing and have higher mechanical properties than the as-cast state. It can be processed into various shapes and specifications of aluminum alloy materials.

Mainly used in the manufacture of aviation equipment, daily necessities, doors and windows for construction, etc. An alloy composed of other elements based on zinc. Commonly added alloying elements are aluminum, copper, magnesium, cadmium, lead, titanium and so on. Zinc alloy has a low melting point, good fluidity, easy to weld, braze, and plastic processing, corrosion resistance in the atmosphere, and easy recycling and remelting of residual waste; but its creep strength is low, and it is prone to dimensional changes caused by natural aging. Prepared by melting method, die-casting or pressure-processed into material.

According to the manufacturing process, it can be divided into cast zinc alloy and wrought zinc alloy. The main added elements of zinc alloys are aluminum, copper and magnesium. Zinc alloys can be divided into deformation and cast zinc alloys according to the processing technology. Cast zinc alloys have good fluidity and corrosion resistance, and are suitable for die-casting instruments and auto parts shells. Wait.
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[Zinc alloy composition and casting quality]
Characteristics of zinc alloy
1. The proportion is large.
2. Good casting performance, it can die-cast precision parts with complex shapes and thin walls, and the surface of the castings is smooth.
3. Surface treatment can be carried out: electroplating, spraying, painting.
4. When melting and die-casting, it does not absorb iron, does not corrode the pressure and does not stick to the mold.
5. It has good mechanical properties and abrasion resistance at room temperature. 6. Low melting point, melting at 385°C, easy to die-casting.