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Tungsten wires
Grade: Pure tungsten with tungsten content ≥99.95% or doped tungsten wire
Size: dia≥0.05mm straight form or rolled form
We mainly offer three kinds of tungsten wire- pure tungsten wire and K-Al-Si doped wire (Non-sag tungsten).
Tungsten wire is mainly used as the tube lead, special lamp filament like Halogen Lamp Filaments, heating element in high-temperature furnace, vacuum deposition material of the electronics industry, welding electrodes and it can also be used as the platinum contact of the automobile engines and other various types of electrical contacts.
Non-sag tungsten is tungsten doped with the element of K (potassium) or other elements to achieve the effect of non-sag of the tungsten wire.
Doping with K can form bubbles in tungsten wire, which can prevent the recrystallization of the tungsten wire.
And they are also responsible for their outstanding low resistance of non-sag tungsten at high temperatures of a glowing lamp filament.
About 90% of non-sag tungsten is used in incandescent lamps.
They can be less shakable when used in light sources or heating elements for the dopant material used in non-sag tungsten wire (W wire; wolfram wire; wolfram coil; tungsten coil; W coil).
Car and motorbike lamps are one of the most important applications of non-sag tungsten wire.
When used non-sag tungsten wire as filament in such bulbs, the wire can have the most effective effects for the cars and motorbikes to achieve stable light from the lamps.
The application in incandescent lamps has the same effects.
Wire Gauge:0.01-2.00mm
Product name:high purity polished twisted tungsten wire tungsten wire for saleApplication:Plasma Cutting and TIG Welding,Vacuum Metalizing,Heating component,Electrodes of HID lamps
| Name | Type | W% | Diameter | Usage |
| Tungsten wire | W1 | ≥99.95 | Φ0.40~1.80 | For high temperature and shaking resistive lamp,double-spiral lamp wire ,fluorescence lamp,nomal lamp filament. |
| WAl1 | ≥99.95 | Φ0.012~1.80 | ||
| WAl2 | ≥99.95 | Φ0.012~1.80 | ||
| Cleaned | WAl1 | ≥99.95 | Produce according to the demands of customer | Used in electric vacuum and electric light source, electron tube , car lamp series, halogen lamp, special lamp. |
| Tungsten wire | WAl2 | ≥99.95 |
Chemical Composition:
| Grade | W content | Total impurity elements | Each element |
| min, % | max, % | max, % | |
| W1 | 99.95 | 0.05 | 0.01 |
| W2 | 99.92 | 0.08 | 0.01 |
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