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Research Paper On Tungsten

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Research Paper On Tungsten
Tungsten
History
Tungsten was discovered in 1781. Its atomic number is 74.it is a light grey and whitish metal. Its chemical symbol is Tungsten also known as heavy stone. It is found only in chemical compound naturally on earth.
Manufacturing process
Tungsten can extracted only from its oxide. Tungsten is heated to the 550°C-840°C temperature in the hydrogen steam More amount of hydrogen is used, and it carries away the steam which is produced during the reaction and the hydrogen is dried and recycled. It required lot of care to the whole system to be free of air to avoid expansion risk with the hydrogen at these high temperature.
Mechanical Properties
It has highest melting point around 3410°C.its boiling point is around 5700°C. Its
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