TUNGSTEN (W) - (Wolframium) is heavy metal of light gray color in a compact condition and dark gray - in dispersed.
Density of 19,3 g/sm3, fusing temperature- 3410±10 °С, boiling temperature- 5900 °С.
Scopes. Tungsten is the basis of firm alloys and many hot-resistant alloys, a part of wear-resistant alloys and tool steels. Several materials are produced from tungsten: details of aviation engines, threads of an incandescence and details in electrovacuum devices. Tungsten connections apply in the paint and varnish, textile industry and as the catalyst in organic synthesis.
Production is produced in China