High Purity Tungsten Products Tungsten Machined Parts For High Temperature
Most of our tungsten machined parts are used as ion implantation parts for semiconductor industry and rotation sputtering targets for the solar industry. We also produce tungsten parts for X-ray and electron tubes. Tungsten crucibles for quartz melting and high temprature vaccum furnace are also our main products.
The Tungsten Fabricated Parts We Supply:
- Non-standard tungsten parts
- Tungsten parts for ion implantation
- Tungsten seed holder for crystal growth furnace
- Tungsten crucible for vacuum coating
- Tungsten ring
- Shaped tungsten crucible
- Tungsten connection parts such as tungsten screws,tungsten nuts, tungsten washers
- Tungsten parts for medical equipment
- Tungsten Alloy Products
Specifications of Pure Tungsten:
Grade: W1, W2
Melting point: 3410°C
Density: 19.2/m3
Purity: ≥99.95%
Application: vacuum, electrical
Standard: GB, ASTM
Quality: ISO9001-2008
Feature: high strength, long service life
Specifications of Machined Tungsten Parts:
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Name:Tungsten parts |
Standard:GB/T 4181-1997 |
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Product grade: XW-2 |
Sizes:as per drawing |
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Lot No.:0941 |
Tolerance: +/-0.03 |
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Chemical composition(Impurities % no more than) |
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Si 0.0001 |
Al 0.0010 |
K 0.0038 |
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Na 0.0001 |
Fe 0.0010 |
Ca 0.0005 |
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Cu 0.0001 |
Ni 0.0001 |
Co 0.0002 |
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Mn 0.0004 |
Cr 0.0003 |
Mo 0.0007 |
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Balance W |
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Surface Finish of Tungsten Parts:
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Diameter(mm) |
Thickness(mm) |
Height(mm) |
Surface finish |
Inner surface |
Inner bottom finish |
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30 ~ 50 |
2 ~ 10 |
≤500 |
≤Ra2.0 |
≤Ra2.4 |
≤Ra2.8 |
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50 ~ 100 |
3 ~ 15 |
≤1000 |
≤Ra2.0 |
≤Ra2.4 |
≤Ra2.8 |
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100 ~ 150 |
3 ~ 15 |
≤1000 |
≤Ra2.0 |
≤Ra2.4 |
≤Ra2.8 |
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150 ~ 200 |
5 ~ 20 |
≤1000 |
≤Ra2.0 |
≤Ra2.4 |
≤Ra2.8 |
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200 ~ 300 |
8 ~ 20 |
≤1000 |
≤Ra2.0 |
≤Ra2.4 |
≤Ra2.8 |
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300 ~ 400 |
8 ~ 30 |
≤1000 |
≤Ra2.0 |
≤Ra2.4 |
≤Ra2.8 |
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