Tungsten or Wolfram is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone.
The free element is remarkable for its robustness, especially the fact that it has the highest melting point of all the elements discovered, melting at 3422 degrees Celsius.
Tungsten’s many alloys have numerous applications including electrodes in gas tungsten arc welding, superalloys and penetrating projectiles in the military.
The main use of tungsten (in the form of tungsten carbide) is now in the manufacture of cemented carbide. Cemented carbide, or hardmetal as it is often called, is a material made by “cementing” very hard tungsten monocarbide (WC) grains in a binder matrix of tough cobalt metal by liquid phase sintering.
Types of Tungsten
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