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Alexander

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Supplier KMZ offers to buy rod, round rod of tungsten brand VA at economical price. Regular customers can take advantage of the discount discount. The provider ensures timely delivery of products to any email address. The price is the best in this segment of the rental.

Technical characteristics

Tungsten VA is a high purity metal which contains not less than 99.999%, tungsten. This metal is used for the manufacture of tungsten electrodes and current-carrying parts is particularly durable, high-intensity discharge lamps. V. A. tungsten is also used as nepalaya targets for the deposition of films in semiconductor devices. This purpose of the material powder is prepared, and screws for the electrodes. Chemically pure tungsten is the basis for the production of tungsten-titanium or tungsten-silicon wafers by vacuum hot pressing.

Application

Profile rolled tungsten brand WA (rods, circle, rods, etc.) is used as the heat-conducting elements of different equipment, in particular, crankshafts and cylinders of high-speed cars, successfully replacing the heat-resistant stainless steel. Tungsten rods high purity is also widely used in guns, rockets, satellites, aircraft and ships.

Chemical composition of GOST 19671−91

Fe Si Mo W Al Ca
≤0.005 0.001 0.006 … ≤0.03 min 99.95 0.001 0.004 … ≤0.005

Aluminium and silicon present in the metal as additives.

Physical characteristics

  • Density, kg/m3 — 19300;
  • Melting point, °C — 3380;
  • Coefficient of thermal conductivity, W/mgrad — 129;
  • The coefficient of thermal expansion, µm/deg — 4,32.

Conductivity is poor, at low temperatures, the brittleness of metal increases at low temperatures, the surface is susceptible to oxidation.

Principal mechanical quality

  • The limit of temporary resistance, MPa — 900…1100;
  • The modulus of elasticity, GPA — 415;
  • Relative tensile elongation — 0.
  • The Poisson’s Ratio To 0.29.

Buy

Supplier KMZ offers to buy rod, round rod of tungsten brand VA at economical price. Regular customers can take advantage of the discount discount. The provider ensures timely delivery of products to any email address. The price is the best in this segment of the rental.

Supply, price

Buy rod, round rod of tungsten brand VA provider KMZ can at an affordable price. The price is formed based on the European standards of production. Buy tungsten rod, round rod of any brand in stock at a reasonable price, you can wholesale or retail.