Tungsten Wire

Tungsten wire is used in light bulbs as a variety of luminaries, resistivity 5.3*10^-8, features high melting point, large resistivity, good strength, content W≥99.95% density 19.3g/cm³. Tungsten wire is generally drawn by a variety of drawing dies. The main use is to manufacture filament and high-speed cutting alloy steel, but also used in optical instruments, chemical instruments and other aspects of the role.