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Material Parts
Rare Metals
| Tungsten : W
| Key Properties
| Density(g/cm3) | Melting Point(℃) | Boiling Point(℃) | Atomic Weight(g/mol) |
| 19.3 | 3422 | 5550 | 183.84 |
| Applications | Tungsten Steel, High-Speed Steel, Refractory Components, Filaments, etc. |
| Product
| Sheet | ||
| Category | Thickness(mm) | Purity(%) |
| Sheet | 0.03 ~ 0.3 | 99.95↑ |
| Plate | 0.3 ~ 60 | |
| Rod | ||
| Category | Diameter(Ø) | Purity(%) |
| Wire | 0.1 ~ 7 | 99.95↑ |
| Rod | 8 ~ 400 | |
| Powder | ||
| Particle Size(㎛) | Oxygen Content Max(%) | Purity(%) |
| 0.6 ~ 0.8 | 0.5 | 99.95↑ |
| 0.8 ~ 1.0 | 0.4 | |
| 1 ~ 1.5 | 0.3 | |
| 1.5 ~ 2.0 | 0.3 | |
| 2.0 ~ 3.0 | 0.25 | |
| 3.0 ~ 4.0 | 0.25 | |
| 4.0 - 5.5 | 0.25 | |
| 5.5 - 7.0 | 0.2 | |
| 7.0 - 15 | 0.2 | |
| 15 -25 | 0.1 | |
| Vacuum Deposition Filament | Customer Requirements |
| Molybdenum : Mo
| Key Properties
| Density(g/cm3) | Melting Point(℃) | Boiling Point(℃) | Atomic Weight(g/mol) |
| 10.28 | 2617 | 4650 | 95.94 |
| Applications | LCD, LED, Alloy Raw Material, Refractory Metal |
| Product
| Sheet | ||
| Category | Thickness(mm) | Purity(%) |
| Sheet | 0.03 ~ 0.3 | 99.95↑ |
| Plate | 0.3 ~ 60 | |
| Rod | ||
| Category | Diameter(Ø) | Purity(%) |
| Wire | 0.1 ~ 7 | 99.95↑ |
| Rod | 8 ~ 400 | |
| Powder | ||
| Particle Size(㎛) | Oxygen Content Max(%) | Purity(%) |
| < 2 | 0.25 | 99.95↑ |
| Outstanding Properties
Tungsten has the highest melting point among all refractory metals, a low thermal expansion coefficient, relatively high density, and excellent electrical and thermal conductivity.
| Manufacturing Process
NATM Co., Ltd Tel. 041.415.0402 Mail. ihkim@ntatm.com Fax. 0505-300-3853
Head Office 172-24, Yeongok-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si, Chungcheongnam-do, South Korea Tel : 041-415-0402
Research Institute Korea Rare Metals Industry Technology Center, 12 Gaetbeol-ro, Songdo-dong, Yeonsu-gu, Incheon, South Korea Tel : 070-4349-3853
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