tungsten bar tungsten has slightly radioactive

characteristics of pure tungsten

Source Chinese "W" and the symbol "W" tungsten cubic‍ are from the German Wolfram. Three recently discovered the most stable isotopes of tungsten has slightly radioactive. [3]

Pure tungsten is a steel-gray to tin-white hard metal, very pure tungsten can be see-saw sawing (pure tungsten is very brittle and difficult to process). Tungsten processing methods have wrought

Manufacturing, tensile and impact. In the highest melting point of all metals tungsten is 3422 ° C, the lowest vapor pressure at the highest tensile strength (1650 ° C time). Its antiseptic

Performance is very good, most of the erosion of its small inorganic acids. Forming a protective oxide layer on its surface in the air, but at high temperatures it will be finished

Full oxidation. Steel was added to a small amount tungsten carbide inserts‍ of tungsten can greatly increase the hardness of steel.

Tungsten, tungsten ore is a chemical element, its chemical symbol is W, its atomic number is 74, is an off-white transition metal. It is a very hard, Steel-gray to white transition metal. Minerals containing tungsten are wolframite and scheelite and so on. Tungsten is very strong physical characteristics, in particular its melting point is very high,

All non-alloy metals in the highest. Pure tungsten is mainly used in electrical and electronic equipment, many of its compounds and alloys are also used in many other applications (the most commonly

See light bulb filament, and the X-ray molybdenum rod‍ tube at a high temperature tungsten alloy is also used).