An expert in zinc die casting - Ningbo Yinzhou Xuxing Machinery Co.,Ltd. today tells you what is the difference between zinc die casting and aluminum die casting.
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1. Differences in concept definition: Zinc alloy is an alloy composed of zinc as the base and other elements are added. The alloying elements often added are aluminum, copper, magnesium, cadmium, lead, titanium and other low-temperature zinc alloys. Aluminum alloy is a 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, etc.
2. The difference in performance: zinc alloy has low melting point, good fluidity, easy fusion welding, brazing and plastic processing, corrosion resistance in the atmosphere, and blind material is easy to reuse and remelt; but the brittle strength is low, and natural aging is easy to occur again. Initiating dimensional changes, zinc alloys have a hardness of 65 to 140 and a tensile strength of 260 to 440. Aluminum alloy has low density, but strength...
3. The difference of die casting process: the molten temperature of zinc alloy die casting is more than 380 degrees, and the molten temperature of aluminum alloy die casting is more than 600 degrees. The die casting equipment of zinc alloy and aluminum alloy is different.
4. Service life: The service life of aluminum alloy die castings is 10W, and the service life of zinc alloy die castings is 20W. Generally speaking, the two casting processes are similar, that is, the zinc alloy has stronger hardness and higher tensile strength than the aluminum alloy, and the service life of the mold is longer than that of the aluminum alloy, and the density of the material is greater than that of the aluminum alloy.
