Tungsten Wire

Tungsten Wire

Tungsten wire is made by forging and drawing tungsten bars, which has various significant physical properties, including high strength, high melting point, good conductivity, high thermal stability, as well as high density and low coefficient of expansion.

Tungsten filament wire is made by sintered pure tungsten powder into strips through powder metallurgy method, and then drawing it.

In the smelting process, small amounts of potassium, silicon, and aluminum oxides are usually added, and this type of tungsten wire is called doped tungsten wire or non sagging tungsten wire.

Features:

Pure tungsten wire has excellent characteristics such as high melting point (the highest among all pure metals), high electrical resistivity, high strength, and low vapor pressure.

Its resistivity increases with temperature and remains stable at room temperature.

Surface of our tungsten wire is smooth without burrs, cracks, scratches, and other phenomena. During the production process, graphite emulsion will be coated. And after removing the graphite emulsion, it will have a metallic luster.

Application:

Tungsten wire filament is widely used as luminescent material in electric light sources such as incandescent lamps and halogen lamps.

It is also used for manufacturing high-speed cutting alloy steel, optical instruments, chemical instruments, etc.

Specific types of tungsten wires, such as pure tungsten wires, are suitable for manufacturing long filaments, impact resistant filaments, spiral coil filaments, electrodes, etc..

Tungsten wire mesh is widely used in various machinery, electrical appliances, air conditioners, filters, vacuum equipment, etc..

Storage and maintenance:

Tungsten wire should be stored in clean, dry container with a temperature not exceeding 28 ℃ and humidity not exceeding 60%, and strictly isolated from chemicals to prevent surface oxidation.

Tungsten Wire Application:

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