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Metal Carbide - China

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TANTALUM CARBIDE(TaC) Appearance: brown powder Molecular weight : 192.96

Carbon content : 6.224% Density:14.5 g/cm3 Melting point: 3875℃

Boiling point:5500℃


Tantalum carbide have high chemical stability and favorable high-temperature character . it is hard and heavy . Fine Tac powder is an important cermet material.


Tantalum carbide (TaC) is an extremely hard (Mohs hardess 9-10) refractory ceramic material, commercially used in tool bits for cutting tools. The hardness is only exceeded by diamond.

It is sometimes used as a fine-crystalline additive to tungsten carbide alloys. Tantalum carbide is often added to tungsten carbide/cobalt (WC/Co) powder to enhance the physical properties of the sintered structure. It also acts as a grain growth inhibitors preventing the formation of large grains, thus producing a materials of optimal hardness.

It is also used as a coating for steel moulds in the injection moulding of alu minum alloys. While providing a hard, wear resistant surface, it also provides a low friction mould surface.

Grade TaC min % Nb Ti Fe Al Si O N Na Ca W Ct Cf Particle size(μm)

TaC-1 ≥99.5 ≤0.1 0.01 0.05 0.01 0.01 0.30 0.02 0.01 0.01 0.05 ≥6.18 0.10 0.9±0.2

TaC-2 ≥99.5 ≤0.3 0.01 0.05 0.01 0.01 0.15 0.02 0.01 0.01 0.05 ≥6.2 0.10 1.5±0.5

Metal Carbide

Feel free to contact us with all your questions

Company Contact:

  • Phone: 85687637

  • Address: east building furong hutian wuyi road, changsha, China

  • Email: Email

Published date: September 7, 2012 -

  • Business Description: Hunan THREE SEVEN Metal Co., Ltd. is located in the Yue Lu Mountain National University Science and Technology Garden, engaged in producing, developing and the application of the metal carbide, metal nitride, alloy intermediate and new high technological materials.Our company is based on Central South University, and we have eight researchers, including one doctoral supervisor, two postdoctorals, one doctor and three masters.

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