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Refractory Metals - Composites -Special Alloys - Ceramics -Tungsten - Titanium

Pure Tungsten


Pure tungsten is a high-performance material with a high melting temperature, high density, low vapor pressure, and low thermal expansion properties. It also offers good thermal conductivity, sufficient electrical resistance, and a high modulus of elasticity.

Marketech offers pure tungsten sheets and discs with alkali washed or ground finishes. Our tungsten sheets/discs are available in thicknesses from 0.1 to 15 mm, and sizes up to 450 x 1000 mm, depending on thickness.

Pure tungsten bar and rod stock are available with ground surfaces and can be sintered or swaged. Diameters range from 1 to 30 mm in diameter and up to 2,000 mm long, depending on desired size and conditioning. Large ranges of custom crucibles and single crystal ingots are also available.

Pure Tungsten Applications

  • Furnace parts
  • Semiconductor base plates
  • Components for electron tubes
  • Cathodes and anodes for ion implantation
  • Tubes/boats for capacitor sintering
  • Targets for x-ray diagnostics
  • X-ray radiation shielding
  • Crucibles
  • Heating elements
  • Sputtering targets
  • Electrodes
  • Emission cathodes for electron beam evaporation

  Property Unit Value

Tungsten Tube

Melting Point
°C 3410  
  Max. Use Temperature °C 1700  
  Electrical Resistivity
@20 °C µ ohm-cm)
  Electrical Conductivity @20 °C %IACS 31  
  Thermal Expansion ppm / °C
  Thermal Conductivity W/m°k 165  

Impurities - max. %

W Pb Bi Sn Sb As Fe Ni Cu
99.95 min 0.0001 0.0001 .0.0001 .0.001 0.002 0.005 0.003 0.001
Al Si Ca Mg Mo P C K Na
0.001 0.003 0.002 0.002 0.008 0.001 0.005 0.002 0.002

Please select "Fabrication Group" for more information on our custom capabilities. Can't find the material you are looking for on our site? Please select "Product Sourcing".

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