Tungsten
Tungsten Alloy Wires Tungsten Rhenium Wire For Industrial Equipment
Tungsten wires introduction
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Diameter |
0.01mm~2.00mm |
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Grade |
W1, W2, WAL1, WAL2, WAL3 |
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Dendity |
Purity 99.92%, 99.98% can also be achieved if special demanded. |
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Quality |
GB/T 4181-1997(tungsten wire)ASTM B760-86 |
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Specification electrical |
0.055 Ohm x mm2/m resistance at 20 °C. |
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Modulus of elasticity |
410 kN/mm2, at 20 °C. |
Tungstun wire grade
Purity of tungsten: ≥99.92
Application :
Double – screwy filament. Filament for high colour temperature lamp and shockproof lamp etc.
Filament for incandescent lamp. Cathode for emitting tube. High temperature electrodes. Twisted tungsten wire etc.
Folded – heater for electronic tube, etc.
Type 2: WAL2
Putity of tungstun: ≥99.92
Application :
Filament for fluorescent lamp etc.
Heater for electronic tube. Filament for incandescent lamp. Twisted tungsten wire etc.
Folded – heater for electronic tube, etc.
Type 3: WAL3
Purity of tungstun: ≥99.92
Appication : Filament for normal lamp. Spring wire for semiconductors, etc.
Type 4: W1
Purity of tungstun: ≥99.95
Application : Tungsten wire in twisted and heating parts etc.
Type 5: W2
Purity of tungstun: ≥99.92
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Production process of tungstun wire |
materials -- spin forging -- annealing -- turntable controling -- annealing -- multi-mode controling -- tungsten wire |
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Production equipments |
spin forging machine, the turntable draw bench, multimode draw bench, annealing furnace |
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Application of tungsten wires |
Tungstun wire is made with the tungsten powder which purity is 99.95%, it has a good high-temperature tensile strength and corrosion resistance after sintering, forging, and drawing,Tungsten wires are mainly applied for automobile manufacturing, aerospace and so on. |
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