Specifications
Tungsten bar and rod
Tungsten bar ,W targets,Tungsten alloy bar , Tungsten rod
W1 W2 ASTM GB DIN ISO
| Tungsten bar and rod Appearance Silver gray metallic luster . Grade W-1 W-2 W-3 W-4 Density≥17.0g /cm3 Main application : W-1 is used for making the pole , wire drawing , or doing steel-making additive . W-4 is used as the steel-making additives . The impurity content accords with Tungsten bar and rod Grade | W-1 | W-2 | W-3 | W-4 | The impurity Content is not more than % | Pb | -- | -- | -- | 0.001 | Bi | -- | -- | -- | 0.001 | Sn | -- | -- | -- | 0.001 | Sb | -- | -- | -- | 0.001 | As | -- | -- | -- | 0.002 | Fe | 0.005 | 0.005 | 0.010 | 0.05 | Ni | 0.003 | 0.003 | 0.005 | 0.30 | Al | 0.002 | 0.002 | 0.005 | 0.005 | Si | 0.003 | 0.003 | 0.010 | 0.010 | Ca | 0.003 | 0.003 | 0.005 | 0.005 | Mg | 0.002 | 0.002 | 0.005 | 0.010 | Mo | 0.010 | 0.010 | 0.20 | 0.20 | P | 0.001 | 0.001 | 0.002 | 0.005 | C | 0.005 | 0.008 | 0.010 | 0.010 | O | 0.003 | 0.003 | 0.005 | 0.010 | N | 0.003 | 0.003 | -- | -- |
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Tungsten content | Type | Diameter (mm) | Dia. tolerance (mm) | Length9 (mm) | L tolerance (mm) | Liner rate |
99.95% | Sintering Rod | Φ40-100 | ±3 | <500 | ±5 | ±5% |
Forged Rod | Φ20-80 | ±2 | <800 | ±5 | ±2% |
Ground Rod | Φ2-60 | ±0.1 | <650 | ±1 | ±0.5% |
Application | Be used for drawing tungsten wires, electrodes, heaters in high temperature vacuum furnace and so on. |
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