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Specifications
1.tungsten wire rod bar 99.95%purity,2.According to the drawing processing
3.good service
tungsten bar are extensively used in manufacturing industry and other industries
Manufacturing process of tungsten wire:
Tungsten wire
comes out through the process of heating, forging of tungsten rod, and then straightened for several times.
Tungsten wire applications:
Tungsten wire is universally used to make
tungsten wire resistance
for bulb, lamps. Besides, it can be used in making optical instrument, electric vacuum components, high temperature resistant parts.
Properties of tungsten wire:
Tungsten wire is characterized by highest melting point, excellent electric conductivity. It has high performance in sintering and high temperature in recrystallization. For the above features, it can serve a long life in any applications.
Tungsten wire dimensional tolerances lengths:
| dia(um) | min.length | ||||||
| weight(mg/200mm) | dia | ||||||
| class0 | classI | classII | classI | classII | |||
| 10<d<=18 | >0.30-0.98 | -- | ±3 | ±4 | -- | -- | |
| 18<d<=40 | >0.98-4.85 | ±2 | ±2.5 | ±3 | -- | -- | 400 |
| 40<d<=80 | >4.85-19.39 | ±1.5 | ±2.0 | ±2.5 | -- | -- | |
| 80<d<=150 | >19.39-68.18 | ±1.0 | ±1.5 | ±2.0 | -- | -- | 300 |
| 150<d<=300 | >68.18-272.71 | ±1.0 | ±1.5 | ±2.0 | -- | -- | 100 |
| 300<d<=350 | >272.71-371.19 | -- | ±1.0 | ±1.5 | -- | -- | 50 |
| 350<d<=500 | -- | ±1.5 | ±2.0 | * | |||
| 500<d<=1800 | -- | ±1.0 | ±1.5 | ||||
T/T . L/C....AND SO ON,
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