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Hafnium Tantalum Carbide Powder, (4TaC-HfC)


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Hafnium Tantalum Multiple Carbide Powder (4TaC-HfC) is a solid solution powder material with a high melting point, which has the characteristics of high hardness, high strength, high-temperature resistance, corrosion resistance, oxidation resistance, good thermal conductivity, good toughness, and superior cutting performance.

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Data sheet

Molecular Formula4TaC-HfC

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Hafnium Tantalum Multiple Carbide Powder is a composite compound and refractory ceramic material, which has properties of both Hafnium Carbide and Tantalum Carbide. Heeger Materials can provide high-quality Hafnium Tantalum Multiple Carbide Powder at a competitive price.

Hafnium Tantalum Carbide Powder, (4TaC-HfC)

  • Formula: (4TaC-HfC)
  • Melting point: 4215℃
  • CAS: 71243-79-3

Hafnium Tantalum Carbide Powder Chemical Analysis


Chemical Composition (%)

HM-(Hf, Ta)C-1



Total Carbon

Free Carbon













Hafnium Tantalum Carbide Powder Properties

Hafnium Tantalum Multiple Carbide Powder (4TaC-HfC) is a new type of high-temperature wear-resistant structural-functional material.

  • It has strong resistance to heat and is able to withstand and resist very harsh high-temperature environments.
  • It can form solid solutions with rare metal carbides.

Hafnium Tantalum Carbide Powder Application

Hafnium Tantalum Multiple Carbide Powder (4TaC-HfC) is widely used as an additive to improve the hardness, strength, ablation resistance, and high-temperature resistance of materials. The following aspects:

  • Carbide cutting tools, metal-ceramic cutting tools
  • Powder metallurgy products
  • High-temperature structural parts materials
  • High-temperature resistant spraying materials
  • High-temperature burnout materials
  • Tool steel and resistance materials
  • Applied to the thermal protection system of high-speed aircraft
  • Used as fuel cladding in a superheated environment in nuclear reactors

Hafnium Tantalum Carbide Powder Storage and Packing

Hafnium Tantalum Multiple Carbide Powder (4TaC-HfC) should be kept sealed and stored in a dry and cool place. The vacuum packing is 1kg/bag, 25kg/drum, or as required.

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