Luoyang Forged Tungsten-Molybdenum Material Co., Ltd.
Luoyang Forged Tungsten-Molybdenum Material Co., Ltd.
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Specification
| 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
| 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
• High temperature performance
- According to the specific applications,High temperature property requirements are categorized.
•Diameter consistency
- Weight deviation of two consecutive 200mm-wire pieces is less than 0.5% of nominal value.
•Straightness
- Regular tungsten wire: in accordance with customer’s requirements.
Straightness tungsten wire: For the tungsten wire thinner than 100μm, vertical height of 500mm freely suspended wire should not be less than 450mm;
For the tungsten wire at or thicker than 100μm, the maximum arc height between pints with distance of 100mm is 10mm;
•Surface conditions
- Smooth surface, free of splits, burrs, cracks, dents, dots, grease contamination.