Tungsten Electrodes

The characteristics of the tungsten electrode, tungsten making it very suitable for welding and other similar tiG electrode materials such work. tungsten electrodes, including pure tungsten electrode、lanthanated tungsten electrodes、thoriated tungsten electrode 、yttrium tungsten electrode 、zirconiated tungsten electrodes.

Type	Brand	Color	Chemical Composition（％）			Sizes (mm)	Surface	Features
Type	Brand	Color	Rare Earth	Impurities	W	Sizes (mm)	Surface	Features
Pure Tungsten	HW11	Green	－	≤0.05	the rest	0.8~15	D,E G,S	Non-radioactive;suitable for AC welding of aluminum, magnesium, and their alloy
Thoriated Tungsten	HWTh10	Yellow	0.9~1.1ThO2	≤0.05	the rest	0.8~15	D,E G,S	Excellent electron emission and overall performances;high current-carrying capacity;radioactivity;suitable for DC welding of carbon steel,stainless steel,nickel alloy and titanium alloy.
Thoriated Tungsten	HWTh20	Red	1.8~2.2ThO2	≤0.05	the rest	0.8~15	D,E G,S
Lanthanum Tungsten	HWLa10	Black	0.8~1.2La2O3	≤0.05	the rest	0.8~15	D,E G,S	Non-radioactive;excellent electric conductivity and welding capacity; high current-carrying capacity;minimum ratio of burnt area;substitute for thoriated tungsten electrode; mainly used in DC welding.
	HWLa15	Golden Yellow	1.3~1.7 La2O3	≤0.05	the rest	0.8~15
	HWLa20	Blue	1.8~2.2 La2O3	≤0.05	the rest	0.8~15
Cerium Tungsten	HWCe10	Pink	0.8~1.2CeO2	≤0.05	the rest	0.8~15	D,E G,S	Non-radioactive;easier arc initiation under low current circumstances,and low arc-maintaining current;suitable for the welding of pipelines,small components and discontinuous welding.
	HWCe15	Orange	1.3~1.7CeO2	≤0.05	the rest	0.8~15
	HWCe20	Grey	1.8~2.2CeO2	≤0.05	the rest	0.8~15
Yttrium Tungsten	HWY20	Sky Blue	1.8~2.2Y2O3	≤0.05	the rest	0.8~15	D,E G,S	Non-radioactive;long and slim arc beam with high compression;deeper burning groove under medium and high current circumstances.
Compound Rare Earth Tungsten	HWMX	Cyan	1.0~5.0MOx	≤0.05	the rest	0.8~15	D,E G,S	Compound rare-earthtungsten electrode;different additives contributing to better performance of tungsten electrode

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Tungsten Electrodes