Product Description
Properties
Tungsten metal is often brittle and hard to work in its raw state; however, if pure, it can be cut with a hacksaw. The pure form tungsten metal is used mainly in electrical applications. Usually tungsten contains small amounts of carbon and oxygen, which give tungsten metal its considerable hardness and brittleness. Metal tungsten is worked by forging, drawing, extruding, or sintering. Of all metals in pure form, tungsten metal has the highest melting point (3,422 'C, 6,192 'F), lowest vapor pressure and (at temperatures above 1,650 'C) the highest tensile strength. Tungsten metal has the lowest coefficient of thermal expansion of any pure metal. Alloying small quantities of tungsten with steel greatly increases its toughness
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