2013年6月13日星期四

Properties of Tungsten Carbide

Tungsten carbide is sometimes colloquially referred to as simply "carbide." Its general definition is described as: Tungsten carbide is an inorganic chemical compound which contains equal numbers of tungsten and carbon atoms. It is also called tungsten cemented carbide. Tungsten cemented carbide can be pressed and formed into shapes from fine gray powder, which is considered to be its most basic form. The applications of tungsten cemented carbide are widely reflected in industrial machinery, wear resistant tools, abrasives as well as men' s jewelry.

Tungsten cemented carbide is the preferred material for parts that must withstand all forms of wear (including sliding abrasion, erosion, corrosion/wear and metal-to-metal galling) and exhibit a high degree of toughness. It exhibits high compression strength, resists deflection, and retains its hardness values at high temperatures, a physical property especially useful in metal-cutting.

Main Properties of Tungsten Carbide
Excellent Hardness: 86~93 HRA, which equal to 68~81HRC;
Excellent hot working performance: Hardness could be remained at 60 HRC under 900~1000 ℃
Excellent wear resistance;
High cutting speed;
Long service life;

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