Tungsten Carbide Powder (2)

Tungsten carbide powder (WC) is kind of dark gray powder, which using proportional tungsten powder and carbon black mixture as raw material to produce tungsten carbide powder. And in tungsten carbide powder the carbon atoms embedded tungsten metal lattice gap and did not destroy the original metal lattice, but to form interstitial solid solution, also known as interstitial compound. It is mainly used in produce tungsten carbide alloy.
The production of tungsten carbide powder is mainly through mix metal tungsten powder and carbon black as raw materials which according to a certain proportion of formulated. And then putting mixture into the graphite boat and placed in the carbon tube furnace or a sense of high-frequency electric furnace with a certain temperature to carbonization, and then by ball milling, screening to obtain tungsten carbide powder.
Tungsten carbide powder should be stored in dry, ventilation and acid-free atmosphere, to prevent oxidation, in which the storage period should not exceed six months. The external package of tungsten carbide should be drum and the internal packaging should be polyethylene bags, tightly sealed. According to fsss's size, tungsten carbide powder can be divided into 12 grades, as shown below.

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