Properties of tungsten

Details: Category: Tungsten Information; Published on Monday, 15 September 2014 16:17; Written by jwy; Hits: 514

Tungsten comes from a Swedish term meaning "heavy stone." Tungsten's chemical symbol comes from its earlier name, wolfram. Wolfram comes from the mineral wolframite, in which it was discovered. Wolframite means "the devourer of tin" since the mineral interferes with the smelting of tin.

In its pure form, tungsten can be a steel-grey or whitish metal. It has the highest melting point of all metals and the highest tensile strength because it reaches temperatures above 3,002 F (1,650 C). Pure tungsten has many uses and can be cut, forged, spun, drawn and extruded. However, the impure metal is brittle difficult to work with. The metal is very resistant to corrosion but does oxidize quickly when exposed to air. Natural tungsten contains five stable isotopes and 21 other unstable isotopes are recognized.

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