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Tungsten is useful for glass-to-metal seals since the thermal expansion is about the same as borosilicate glass

tungsten and its alloys are used extensively for filaments for electric lamps, electron and television tubes, and for metal evaporation work

electrical contact points for car distributors

X-ray targets

windings and heating elements for electrical furnaces

missile and high-temperature applications

high-speed tool steels and many other alloys contain tungsten

the carbide is important to the metal-working, mining, and petroleum industries

calcium and magnesium tungstates are widely used in fluorescent lighting

tungsten salts are used in the chemical and tanning industries

tungsten disulphide is a dry, high-temperature lubricant, stable to 500°C

tungsten bronze and other tungsten compounds are used in paints

TV tubes (electron tubes)

Nozzles for the rockets engines, for example, are made from tungsten steel.

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