Tungsten Carbide (WC)

Tungsten carbide, a compound created by bringing together tungsten and carbon, is one of the toughest, most reliable, and extremely durable metals you can find. No other metal compound offer the same attributes, and it is used across ever major industry. Tungsten carbide components are often used for parts that must withstand extreme wear, temperatures, corrosion, loading and deformation.

Marrying carbon and tungsten creates an alloy that is resistant to heat, rust, scratches, and pitting. It also boasts an extremely high density, with a hardness just below diamond, ranking about 9 on a Mohs scale, and with a Vickers number of approximately 2600. It also offers excellent conductivity, and provides overall strength three times that of steel equivalents.

This compound is easily molded into many shapes for mechanical and wear application requirements. Tungsten carbide is ideal for countless high pressure industrial applications due to a high modulus of elasticity which helps prevent face distortion.

Tungsten carbide parts are typically comprised of a cemented carbide (also known as hardmetals) − individual WC grains imbedded in a metal binder matrix of either cobalt or nickel. The toughness and hardness properties can conform to specific application requirements by adjusting the grain size of the tungsten carbide and/or the binder content.

NICKEL BINDER (WC-Ni) / JJISCO NiLAST® − Nickel binder tungsten carbide is processed from a uniform fine grain structure. It is a workhorse for corrosion and wear resistance. WC-Ni alloys have lower hardness and higher plasticity than WC-Co, but provide a more economical option. Components using JJISCO's NiLAST series is ideal for use in challenging environments and applications.


COBALT BINDER (WC-Co) / JJISCO BlackLAST® − Cobalt binder tungsten carbide offers high hardness and exceptional toughness, and the high flexibility of the materials in terms of property combinations. Components using JJISCO's BlackLAST series offer superior performance for your most demanding applications.


 Learn more about our tungsten carbide products!


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