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7. Fields of application
7.1 Unalloyed and doped tungsten
In wire form, its main use is in the incandescent lamp industry. It is also used as a heating element for fluorescent tubes, lamp filament supports, electronic transmitters, electronic tube elements, vacuum metallization filaments (especially for aluminum: automobile headlights, capacitors, etc.), and heating elements for high-temperature furnaces. Tungsten rod is also used to make glass-to-metal joints, arc lamp electrodes and welding machine electrodes. Sheet metal is used to manufacture resistors and screens for high-temperature, vacuum or hydrogen industrial furnaces. Finally, tungsten is used to manufacture anticathodes for X-ray tubes and space rocket nozzles.
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Fields of application
References
Standardization
United States
American Society for Testing and Materials ASTM
- Test method for apparent density of powders of refractory metals and compounds by the Scott volumeter. - B 329-81 -
- Test method for average particle size of powders of refractory metals and compounds by the Fisher sub-sieve sizer. - B 330-82 -
- Test method for particle size distribution of refractory metal-type powders by turbidimetry....
Manufacturers. Suppliers
France
Tungsten powders and tungstic products
Eurotungstène Powders.
Heavy alloys and wrought tungsten
Cime BocuzeTungsten division.
Germany (Federal Republic of)
Tungsten powders and tungstic products
Starck Berlin Hermann C.
Austria
Tungsten powders and tungstic products
Wolfram...
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