Tungsten alloy blank cylinder belongs to semi-tungsten alloy products, which is the semi-finished product of further treatment of tungsten alloy cylinder without cutting. It can be used as semi-finished product blank or as precision machinery parts. Its density is 16.5 ~ 19.0 g/cm ^ 3, which is more than twice that of steel density. It has good thermal conductivity and low linear expansion coefficient: its thermal conductivity is 5 times of mold steel, and its linear expansion coefficient is only 1/2~1/3 of iron or steel.
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