Tungsten is hard and brittle and is difficult to machine. When the current through the tungsten wire is heated to a certain temperature, the resistance value of the tungsten wire will increase to a certain value (the general resistance value of the metal wire with the increase in temperature and increase). At room temperature, the resistance of this material should be 1370℃-2000℃, but when the cross-sectional area of the tungsten wire length changes, the resistance value will change.
Tungsten wire, tungsten bar forging, drawing made of fine wire.
Tungsten wire is mainly used in incandescent lamps, tungsten halogen lamps and other electric light sources. Used in light bulbs for a variety of luminous body of tungsten wire, but also in the metallurgical process of doping a small amount of potassium, silicon and aluminium oxides, this tungsten wire is called doped tungsten wire (DopedTungstenWire) or do not sag tungsten wire (Non-sagTungstenWire).
Tungsten wire is generally drawn by various wire drawing dies. The main use is the manufacture of filament and high-speed cutting alloy steel, also used in optical instruments, chemical instruments and other aspects of the role.
