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Tungsten Metal (W) & Tungsten Powder 99.9% purity
| Tungsten | |
| Symbol | W |
| Phase at STP | solid |
| Melting point | 3695 K (3422 °C, 6192 °F) |
| Boiling point | 6203 K (5930 °C, 10706 °F) |
| Density (near r.t.) | 19.3 g/cm3 |
| When liquid (at m.p.) | 17.6 g/cm3 |
| Heat of fusion | 52.31 kJ/mol[3][4] |
| Heat of vaporization | 774 kJ/mol |
| Molar heat capacity | 24.27 J/(mol · K) |
About Tungsten Metal
Tungsten is a kind of metal elements. Its element symbol is “W”; Its atomic sequence number is 74 and its atomic weight is 183.84. It’s white, very hard and heavy. It belongs to chromium family and has stable chemical properties. Its crystal system occurs as the body-centered cubic crystal structure (BCC). Its melting point is around 3400℃ and its boiling point is over 5000℃. Its relative weight is 19.3. It’s a kind of rare metal.
High Purity Tungsten Rod
| Symbol | Composition | Length | Length tolerance | Diameter(Diameter tolerance) |
| UMTR9996 | W99.96% over | 75mm～150mm | 1mm | φ1.0mm-φ6.4mm(±1%) |
【Others】Alloys having different additional composition, tungsten alloy including oxides, and tungsten-molybdenum alloy etc. are available. Please contact us for details.
What is Tungsten Rod used for?
Tungsten Rod, having high melting point, is used in many industrial fields because of their excellent high-temperature resistance. It is used for electric bulbs filament, discharge-lamp electrodes, electronic bulb components, welding electrodes, heating elements, etc.
High Purity Tungsten Powder
| Symbol | Avg. granularity （μm) | Chemical Component | |||||||
| W(%) | Fe(ppm) | Mo(ppm) | Ca(ppm) | Si(ppm) | Al(ppm) | Mg(ppm) | O(%) | ||
| UMTP75 | 7.5～8.5 | 99.9≦ | ≦200 | ≦200 | ≦30 | ≦30 | ≦20 | ≦10 | ≦0.1 |
| UMTP80 | 8.0～16.0 | 99.9≦ | ≦200 | ≦200 | ≦30 | ≦30 | ≦20 | ≦10 | ≦0.1 |
| UMTP95 | 9.5～10.5 | 99.9≦ | ≦200 | ≦200 | ≦30 | ≦30 | ≦20 | ≦10 | ≦0.1 |
What is Tungsten Powder used for?
Tungsten Powder is used as the raw material for super-hard alloy, powder metallurgy products such as welding contact point as well as other kinds of alloy. In addition, due to our company’s strict requirements about quality management, we can provide highly pure tungsten powder with purity over 99.99%.
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Since its establishment, our factory has been developing first world class products with adhering the principle
of quality first. Our products have gained excellent reputation in the industry and valuabletrusty among new and old customers..