Tungsten Wire Price for sale
Density:19.3g/cm³
Content: W≥99.95%
Application:Used in light bulbs as various luminous bodies, weaving gloves
Introduction：The resistivity of tungsten wire is 5.3*10^-8.
Tungsten has a high melting point, high resistivity, good strength, and low vapor pressure.
It is the best material for making incandescent filaments among all pure metals.
Product Details
Tungsten Wire Price for sale
1.product Introduction
The resistivity of tungsten wire is 5.3*10^-8. Tungsten has a high melting point, high resistivity, good strength, and low vapor pressure. It is the best material for making incandescent filaments among all pure metals. But tungsten is hard and brittle, and it is difficult to process. When the current passes through the tungsten wire and is heated to a certain temperature, the resistance value of the tungsten wire also increases to a certain value (generally, the resistance value of the metal wire increases with the temperature).
2.product Parameter
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 |
3.Product feature and application
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.
Application:
• Tungsten heater element
•Other heater components in semiconductor
• Lamp filament, fluorescent light filament
• Weave gloves and ropes
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