Thoriated tungsten wire

Advantages

W51: W51 wires have excellent non-sagging properties and are tough against vibration. 0.7% thoria containing tungsten

W53: W53 wires have excellent electron emission properties and are tough against high-temperature deformation. 1.0% thoria containing tungsten

W54: W54 wires have excellent electron emission properties and are tough against high-temperature deformation. 1.7% thoria containing tungsten

W56: W56 wires have excellent electron emission properties and are tough against electrode abrasion. 2.0% thoria containing tungsten

Applications

Electron tubes

Vibration-resistant bulb filaments

TIG welding electrodes
Weld parts made by tungsten inert gas (TIG) welding have no degradation in elongation, strength or gas tightness because TIG welding requires no covering or flux that may attack weld parts. Therefore, TIG welding is applied to aluminum alloys, stainless steels, magnesium alloys, copper alloys, nickel alloys and carbon steels.