Sn-Bi alloy are environmentally friendly alloy. At room temperature, was solid, silver-white, low melting point of 135 degrees, the solid-liquid volumetric shrinkage rate of 0.051 percent, with a strong permeability.
Low melting point Sn-Bi alloy molds for the production of sheet metal cold forming dies, can suppress copper, aluminum, steel, stainless steel sheet, steel plate thickness of up to 3 mm.Used for sheet metal stretching, bending and forming.The use of low melting point alloy mold without mold steel, film-forming simple and rapid; mold, low cost, quick update; die without adjustment, without processing; mold used up can be remelted alloy can be used repeatedly; into the mold as fast, can besignificantly reduce the die stack space.
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