Tungsten carbide powder (WC) is the main raw material for the production of tungsten carbide, chemical formula WC. full name , tungsten carbide powder is a black hexagonal crystal, metallic luster, hardness and diamond similar to the good conductor of electricity and heat. 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 is fragile, if mixed with a small amount of titanium, cobalt and other metals, it can reduce the brittleness. Used as a steel cutting tool tungsten carbide, often added titanium carbide, tantalum carbide or a mixture of them to improve the anti-explosive ability.
The chemical properties of tungsten carbide are stable. Tungsten carbide powder is mainly used in the production of cemented carbide. In tungsten carbide powder, carbon atoms are embedded in the interstices of the tungsten metal lattice and do not destroy the original metal lattice, forming an interstitial solid solution, so it is also known as gap-filling (or insertion) compounds.
The appearance of tungsten carbide powder is gray, with the increase of product particle size, the color from dark to light. The color should be even and consistent, without visually visible inclusions.
Post time: Jul-28-2023
