Tungsten Carbide Cobalt (WC:Co; 94:6 wt%)-Powder

Characteristic




Tungsten carbide is a compound made of tungsten and carbon.The formula is WC.It is a black hexagonal crystal with metallic luster and a hardness similar to that of diamond. It is a good conductor of electricity and heat.Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, but soluble in a mixture of nitric acid and hydrofluoric acid.Pure tungsten carbide is fragile, if a small amount of titanium, cobalt and other metals, can reduce brittleness.




Chemical formula：WC

Molar mass：195.85 g/mol

Appearance：Grey-black lustrous solid

Density：15.63 g/cm3

Melting point：2,785–2,830 °C (5,045–5,126 °F; 3,058–3,103 K)

Boiling point：6,000 °C (10,830 °F; 6,270 K) at 760 mmHg

Solubility in water：Insoluble

Solubility:4Soluble in HNO3, HF

Magnetic susceptibility (χ)1·10−5 cm3/mol

Thermal conductivity：110 W/(m·K)

Crystal structureHexagonal, hP2




Application




Tungsten carbide Cobalt is used in cutting tools, having hard ceramic crystals of a few microns in size within a ductile metal matrix, use as electrodes for Electrode Discharge Machining. It is also used in production of tools for milling, drilling and pressing/punching processes, surgical instruments, product is the rotating balls used in ball point pens.