Zhengzhou Sanhui Refractory Metal Co., Ltd.
Zhengzhou Sanhui Refractory Metal Co., Ltd.
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Properties of tungsten bar
Tungsten bar is produced by good processing property billets and special cold and hot rolling technology.
It can be used to make tungsten electrodes,tungsten heat elements,tungsten heat shields and tungsten boats for electronics, lightening,electrovacuum industries.
With high quality and tungsten bar price competitive,the products not only meet the demands of the domestic market, but is also exported overseas.
The chemical compositions and applications of tungsten bar:
| type | purity of tungsten | application |
| WAL1 | >=99.92% | filament,cathode and components for electron tubes,electrode for the gas discharge tube.etc. |
| WAL2 | ||
| WAL3 | >=99.92% | grid siderod,lead,support,electrode for the discharge lamp,etc. |
| W1 | >=99.95% | grid siderod,support,lead and electrode,etc. |
| W2 | >=99.92% |
Tungsten bar impurities:
| Grade | W-1 | |
| Impurities | Fe | 0.003 |
| (%max) | Si | 0.002 |
| Ca | 0.002 | |
| Al | 0.002 | |
| Mg | 0.001 | |
| Ni | 0.002 | |
| Sb | 0.001 | |
| As | 0.0015 | |
| Sn | 0.0003 | |
| Mo | 0.004 | |
| P | 0.001 | |
| C | 0.003 | |
| O | 0.002 | |
| Application | For tungsten alloys |
Tungsten bar specifications:
| Diamenter(mm) | Tolerance(%) | |
| Black rod | Ground | |
| <=5.0 | ±2 | ±0.03 |
| 5 | ±2 | ±0.05 |
| >5.0-8.0 | ±2 | ±0.05 |
| >8.0-16.0 | ±2 | ±0.08 |
Guarantee purity of tungsten bars for sale
Are you looking for truly excellent quality and competitive Tungsten bar price ? Then you need us. We produce our Tungsten bars ourselves – from the metal powder right through to the finished product. As our input material, we use only the purest tungsten. This ensures that you benefit from a very high level of material purity.
