CAST TUNGSTEN CARBIDE - Extremely hard and wear resistant

Cast tungsten carbide is a eutectic mixture of both tungsten carbides, W2C and WC, which has a particularly high degree of hardness and wear resistance. For this reason, it is primarily used in advanced wear protection and tooling technology.

H.C. Starck's cast tungsten carbide meets the highest international quality standards for wear materials. It is characterized particularly by its fine lamellar structure ("feather structure").

Cast Tungsten Carbide

AMPERWELD® cast tungsten carbide powder for welding

H.C. Starck markets its cast tungsten carbide powder for welding applications, such as PTA welding and lasercladding, under the name of AMPERWELD®. In addition to wear resistance, AMPERWELD® cast tungsten carbide powders are also characterized by especially good weldability. The particles of the advanced AMPERWELD® Macroline powder feature a protective layer of tungsten carbide in addition to a core of fused tungsten carbide. This gives the material an improved thermodynamic stability and prevents the formation of brittle phases when welded layers cool, which can otherwise cause deterioration of the wear characteristics.

Matrix powder for the production of drilling tools

As matrix powders, our cast tungsten carbide powders are also suitable for manufacturing drilling tools for oil and gas exploration. Its outstanding capability for infiltration and customized wear characteristics supply drill bit manufacturers with considerable competitive advantages such as longer service life and improved design options.

Support along the entire process chain

To help ideas become successful solutions, we support our customers as partners in the development and optimization of materials, products and processes. Our application technology department has outstanding materials expertise, detailed knowledge of metallurgical and chemical processes and long-term experience in numerous innovative markets, applications areas and technologies. Furthermore, our accredited chemical analysis department monitors the manufacture of our products to precise specifications. Understand each other and move forward together - that's the H.C. Starck way.


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Product brochures

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  • H.C. Starck Tungsten Powders - empowering innovative customers
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  • H.C. Starck Tungsten Powders - empowering innovative customers
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Product data sheet

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  • PDS number/_version
  • CAST TUNGSTEN CARBIDE
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  • en
  • PD-5164_9
  • MACROLINE TUNGSTEN CARBIDE (MTC)
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  • PD-5221_4