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W
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Tungstène
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WOLFRAM
Norms ASTM B760
Production technique Sintered
Chemical composition | Mechanical characteristics | ||||||||||||||||||||||||||||
W | Other | Rm | A% | HB | Density | Recristallisation temperature |
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99,95 | ≤ 0,05 | 800 – 1300 | 2,0-5,0 | 360-500 | 19,3 | 1150 |
Description
Has the highest melting point and the lowest vapor pressure. Excellent material for the vacuum technique and for the related fields. Anticorrosive to many acids, construction of rectifiers, switches and contactors, high temperature furnaces, heating resistors and reflector screens and used for the treatment of nuclear fuel reactor fuels
Application
High-temperature resistance 3420 ° C, spot welding and contacts, electro-erosion, furnaces and ovens under vacuum,
Anti-corrosion