Tungsten Wire


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Tungsten Wire

Tungsten is widely used as refractory metals. In wire form, tungsten wire is essential for the production of lighting products and other goods where its high temperature properties are of use. Among its properties are a melting point of 3410° C, a low coefficient of thermal expansion and low vapor pressure at elevated temperatures along with good electrical and thermal conductivity.

Tungsten wire cleaned tungsten wire

The important applications of tungsten wire are for the production of coiled incandescent lamp filaments, cathode and support structures for power tubes, heating elements for high temperature furnaces and evaporation sources in metallizing processes. Thicker sizes of tungsten wire, straightened, finish-ground and cut into rod pieces are widely used for glass-to-metal seal lead parts in the lighting and electronic industries.

Diameter µm	Weight mg/200mm	200mm weight tolerance%			Diameter tolerance%
Diameter µm	Weight mg/200mm	0	I	II	I
6<d<18	0.12-0.98	-	±3	±4
18<d<40	>0.98-4.85	±2	±2.5	±3
40<d<80	>4.85-19.39	±1.5	±2.0	±2.5
80<d<300	>19.39-272.71	±1.0	±1.5	±2.0
300<d<350	>272.71-371.19		±1.0	±1.5
350<d<500					±1.5	±2.0
500<d<1800					±1.0	±1.5

　

More info>>

1.Catalog of Tungsten Wire

2.Quotation table of tungsten wire

3.Applications of tungsten wire

5.Pure tungsten

6.Quotation table of tungsten wire


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