SIMA OFFERS

  • SIMA offers primarily Chinese W bar, along with various forms of W scrap, including W carbide, Densalloy, etc.

GENERAL INFO

  • A hard, rare metal under standard conditions when uncombined.
  • Its important ores include wolframite and scheelite.
  • The free element is remarkable for its robustness, especially the fact that it has the highest melting point of all the non-alloyed metals and the second highest of all the elements after carbon.

APPLICATIONS IN METALLURGY

  • The hardness and density of tungsten are applied in obtaining heavy metal alloys.
  • A good example is high speed steel, which can contain as much as 18% tungsten.
  • Tungsten's high melting point makes tungsten a good material for applications like rocket nozzles.
  • Superalloys containing tungsten, such as Hastelloy and Stellite, are used in turbine blades and wear-resistant parts and coatings.

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