Tungsten is a metal that belongs to the heavy metals. It has the highest boiling and melting point of all pure metals. The largest deposits of this metal are located in China, Korea, Kazakhstan, Russia, Bolivia, Portugal, the USA, and Austria. In Germany the metal is found in the Erzgebirge.

Tungsten is used …

because of its high melting point in electrodes, in the lighting industry and in electron tubes. It is also of great importance as an alloying metal in the field of ferrous metallurgy, which makes the steel more resistant.