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Zinc alloys are alloys based on zinc and added to other elements. Commonly added alloying elements include low-temperature zinc alloys such as aluminum, copper, magnesium, cadmium, lead, and titanium. Zinc alloy has low melting point, good fluidity, easy fusion welding, brazing and plastic processing. It is resistant to corrosion in the atmosphere, and the residual waste is easy to recover and remelt; but the creep strength is low, and it is easy to cause dimensional changes caused by natural aging. Prepared by melt, die cast or pressure processed into a material. According to the manufacturing process, it can be divided into cast zinc alloy and deformed zinc all
（Zinc alloy parts）
Zinc alloy features:
1. Relatively significant.
2. The casting performance is good, and the precision parts with complex shape and thin wall can be die-casted, and the surface of the casting is smooth.
3, can be surface treatment: electroplating, spraying, painting, polishing, grinding and so on.
4. It does not absorb iron during melting and die casting, does not corrode the pressed type, and does not stick to the mold.
5, has a good mechanical properties at room temperature and wear resistance.
6, low melting point, melting at 385 ° C, easy to die casting.
Type of zinc alloy:
The traditional die-cast zinc alloys are alloys 2, 3, 4, 5, and 7. The most widely used is the No. 3 zinc alloy. In the 1970s, high-aluminum-zinc-based alloys ZA-8, ZA-12, and ZA-27 were developed.
Zamak3: Good fluidity and mechanical properties.
It is applied to castings that do not require high mechanical strength, such as toys, lamps, decorations, and some electrical components.
Zamak5: Good fluidity and good mechanical properties.
It is applied to castings that have certain requirements on mechanical strength, such as auto parts, electromechanical parts, mechanical parts, and electrical components.