different kinds of tungsten wires,tungsten wire types

Most of tungsten wires are used for the production of tungsten and halogen incandescent filament and gas discharge lamp electrode. People on the lamp product quality and consistency of optical parameters of the requirements have become more sophisticated, which requires us by adding small amounts of other elements to improve the performance of tungsten, so that it can adapt to the special requirements in some areas.

Type	Add. content	Application
Pure tungsten wires	none	Heating body, evaporation coils, HID electrode and coil, lead wire, hook, side rod
Doped tungsten wires	0.2~0.4%SiO2 0.3~0.4%K2O	Single filament incandescent screw, support, guide rod or lighting outlet
Doped tungsten wires	0.02~0.05%Al2O3 0.2~0.4%SiO2 0.3~0.55%K2O	Coiled-coil incandescent filament, and support, cathode tube, tungsten heater, evaporationheater element, fluorescent filament, and other parts
Doped Thorium tungsten wires	0.2~0.4%SiO2 0.3~0.55%K2O 0.2~0.5%ThO2	Hot wires for electron tube,welding electrodes,tie rod
Thorium tungsten wires	1.0% ThO2 1.5% ThO2 2.0~2.5% ThO2	Cathode tubes， high intensity discharge lamp electrodes, emission control hot wire, hooks and springs, welding electrodes and other examples of cutting
Tungsten-cerium wires	1.5~3.0%CeO2	Pulse tube heating wire, non-consumable welding electrode
Yttrium tungsten wires	2.0~3.0%Y2O3	Pulse tube heating wire, non-consumable welding electrode,HID electrode
Lanthanated tungsten wires	1.0~2.0%La2O	non-consumable welding electrode
Tungsten Molybdenum wires	W-20Mo	Light hook, support,lighting outlet and other parts, vacuum device heater
Tungsten-rhenium wires	1.0~26.0%Re	Air bulb filament microwave devices filament filament for electron beam tube, CRT filament


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Tungsten Wire Types