Tungsten carbide powder

Category: Tungsten Products

key word : Tungsten carbide powder

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Tungsten carbide powder (WC) is the main raw material for the production of cemented carbide, chemical formula WC. Tungsten carbide powder is black hexagonal crystal, metallic luster, hardness and diamond similar, for electricity, heat good conductor. Melting point 2870 ℃, boiling point 6000 ℃, relative density 15.63(18 ℃). Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, soluble in nitric acid-hydrofluoric acid mixed acid. Pure tungsten carbide fragile, if the incorporation of a small amount of titanium, cobalt and other metals, can reduce the brittleness. Tungsten carbide used as a steel cutting tool is often added with titanium carbide, tantalum carbide or their mixtures to improve the anti-knock ability. Tungsten carbide is chemically stable.

Tungsten carbide powder is mainly used in the production of cemented carbide. In tungsten carbide powder, carbon atoms embedded in the tungsten metal lattice gap, does not destroy the original metal lattice, the formation of interstitial solid solution, so also known as interstitial (or insertion) compound. Tungsten carbide is suitable for machining at high temperatures, and can be used to make cutting tools, structural materials for kilns, jet engines, gas turbines, nozzles, etc.

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