Tungsten Metal Bar
Pure tungsten baris made of 99.95% tungsten powder. Its physical properties are as follows: density 19.3g/cm3, melting point (liquid) 3422°C, conductivity 30% IACS Min, hardness 69HRA Min. The forging and annealing process results can be obtained by test. It possesses special properties such as low thermal expansion with good thermal conductivity, adequate resistance to electrical resistance, and high elastic modulus.
Specification of Tungsten Metal Bar
|
W |
Al |
Ca |
Fe |
Mg |
Ni |
C |
Si |
N |
|
|
W1 |
≥99.95% |
||||||||
|
W2 |
≥99.92 |
Application of Tungsten Metal Bar
Tungsten rods possess special properties, such as low thermal expansion with good thermal conductivity, adequate resistance to electrical resistance, and high elastic modulus. Therefore, tungsten rods are widely used in various fields. Such as support line, lead line, printer needle, various electrodes and quartz furnace, filament, high speed tools, automotive automatic products, sputter target material.
Application of Tungsten Metal Bar
Production Process of Tungsten Metal Bar
Production Process of Tungsten Metal Bar
Mechanical processing: the tungsten products can be turned, milling, planing, grinding, forging,
Pressure processing: generally, the elongation of rotary forging is about 100% after billet opening, and it enters the ordinary rotary section. After continuing to deform 200%, it enters the drawing.
Production: Generally using powder metallurgy method of production, powder - pressing molding - sintering.
Features of Tungsten Metal Bar
It’s anticorrosive properties are very good, and most inorganic acids have little erosion on it. In air it forms a protective layer of oxide on its surface, but at high temperatures it is completely oxidized. A small amount of tungsten can greatly increase the hardness of steel.
It has a very high melting point, the highest of all non-alloy metals. Pure tungsten is mainly used in electrical and electronic equipment, and many of its compounds and alloys are also used in many other applications (most commonly in light bulb filaments, in X-ray tubes, and in superalloys).
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