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Specifications
1.Purity:W1>=99.95%,W2>=99.92%.2.Density: 19.3g /cm3
3.Diameter: 0.4 - 3.0mm
4.Standard: GB/T4181-1997.
Product name: tungsten heater wire
1.Apperance:W-wire is regular black covered with graphite.Metallic luster after graphite removed.
2.We can provide the following size of tungsten wire:
Sort |
Number of strands |
Diameter (mm) |
Difference between 2 feet mm |
Inside diameter tolerance |
|
Big heater element |
Small heater element |
||||
PIC 1 |
2-7 |
0.4-3.0 |
±1mm |
±0.3mm |
|
PIC 2 |
2-3 |
0.4 -1.0 |
±1mm |
±0.3mm |
|
PIC 3 |
2-7 |
0.4 -1.3 |
±1mm |
±0.3mm |
|
PIC 4 |
2-5 |
0.4-1.0 |
±2mm |
±1mm |
±0.3mm |
PIC 5 |
2-5 |
0.4-1.0 |
±1mm |
±0.3mm |
|
PIC 6 |
2-10 |
0.4-1.0 |
Several stranded coils |
|
|
3.Application of tungsten wire :
For producing electric light source parts and electric vacuum components.
For producing heating elements and refactory parts in high temperature furnaces.
For producing heating elements used in vacuum metalizing or plating.
4.Attached our pictures of tungsten wire for your reference:
5.Tungsten Physical Properties:
| Density | lb/in3 | 0.7 |
| gm/cm3 | 19.27 | |
| Melting Point | °F | 6170 |
| °C | 3410 | |
| Thermal Conductivity | Cal/cm2/cm° C/sec |
0.48 |
| Specific Heat | Cal/gm/°C | 0.032 |
| Coefficient of Linear Thermal Expansion | micro-in/°F x 10-6 |
4.3 |
| micro-in/°C x 10-6 |
2.4 | |
| Electrical Resistivity |
micro-ohm-cm | 5.5 |
6.We can also provide the following products,you may be interested in:
| Molybdenum Product: | Molybdenum Sheet,Plate/Molybdenum Rod | ||||||
| Molybdenum Crucible/Molybdenum Tube | |||||||
| Molybdenum Special Shape Product | |||||||
| Tungsten Product: | Tungsten Sheet,Plate/Tungsten Rod | ||||||
| Tungsten Crucible/Tungsten heat shield | |||||||
| Tungsten Special Shape Product | |||||||
| Alloy Product: | TZM Alloy/Mo-La Alloy/W-Mo Alloy/Mo-Yt Alloy | ||||||
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