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INTERNATIONAL TUNGSTEN INDUSTRY ASSOCIATION

Information on tungsten: sources, properties and uses

High Temperature Applications

High temperature furnace parts (heating coils, radiation shields, charge carriers) withstand temperatures of up to 2,800ºC.  Tungsten nozzles with iridium inserts are used for the production of glass, rock and ceramic wool for insulation applications.  Seamless cylindrical tungsten crucibles are used for the growing of Single Crystals, required for semiconductors, LEDs,  X-ray detectors, data storage or optical media.

Tungsten-rhenium thermocouples are used for measuring temperatures of 1,500ºC to above 2,000ºC.