Tungsten carbide hard alloy are specifically designed to resist corrosion, abrasion, wear, fretting, sliding wear and impact both onshore and offshore and surface and sub-sea equipment applications.

Tungsten carbide seats,inserts, cores and so on are widely used for different valves in oil field.

Tungsten carbide is an inorganic chemical compound which contains numbers of tungsten and carbon atoms.  Tungsten carbide, also known as “cemented carbide”, “hard alloy” or “hardmetal”, is a kind of metallurgic material which contains tungsten carbide powder (chemical formula: WC) and other binder (cobalt, nickel. etc.).It can be pressed and formed into customized shapes, can be grinded with precision, and can be welded with or grafted to other metals. Various types and grades of carbide can be designed as required for use in application intended, including chemical industry, oil & gas and marine as mining and cutting tools, mould and die, wear parts, etc