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Tungsten Carbide
Jun 28, 2018

Tungsten carbide is a compound composed of tungsten and carbon. The molecular formula is WC with a molecular weight of 195.85.

It is a black six square crystal with metallic luster and hardness similar to diamond. It is a good conductor of electricity and heat. Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, and is easily soluble in the mixed acid of nitric acid and hydrofluoric acid. Pure tungsten carbide is brittle. If a small amount of titanium or cobalt is added, it will reduce brittleness. Tungsten carbide, used as a cutting tool for steel, is often added with titanium carbide, tantalum carbide or their mixture to enhance blast resistance. The chemical properties of tungsten carbide are stable. Tungsten carbide powder is used in cemented carbide production materials.

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