High Tempreture W1 W2 Tungsten Wire
Specification of 99.95% tungsten wire
| Diameter, mm | Diameter telorance, % | Weight ( 200mm ), mg | Length min, m |
| 0.012−0.06 | − | >0.44−10.91 | 700 |
| 0.06−0.1 | − | >10.91−30.30 | 400 |
| 0.1−0.15 | − | >30.30−68.18 | 250 |
| 0.15−0.2 | − | >68.18−121.20 | 150 |
| 0.2−0.35 | − | >121.20−371.19 | 100 |
| 0.35−0.7 | ±1.5−±2.5 | − | same as 150g |
| 0.7−1.8 | ±1.0−±2.0 | − | same as 200g |
Chemical Composition of 99.95% tungsten wire
| Grade | W content, min, % | Total impurity elements, max, % | Each element, max, % |
| W1 | 99.95 | 0.05 | 0.01 |
| W2 | 99.92 | 0.08 | 0.01 |
Feature & Application
Feature of 99.95% tungsten wire
• High temperature performance
• Good machining performance
• High recrystallization temperature
• Good resistance to high tmperature sag performance
• Good acid and alkali resistance to room temperature
Application of 99.95% tungsten wire
• Tungsten heater element
• Other heater components in semiconductor
• High temperature lamp and filament, stock - resistance filament, double helix filament etc
• Electric incandescent lamp filament, fluorescent light filament, etc
first-classs production equipment
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