WC Tungsten Cerium TIG GTAW Welding Rod, WZR Tungsten Zirconium Electrodes

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Description

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Tungsten electrode/ GTAW welding rod

Tungsten electrodes are widely used for welding with the property of non-radiative, low melting rate, high melting point, corrosion resistance, high density, good thermal conductivity and good electrical conductivity.

Grade

Composition	Type	Color	Chemical Composition(%)			Sizes (mm)	Surface	Features
Composition	Type	Color	Rare Earth	Impurities	W	Sizes (mm)	Surface	Features
Pure Tungsten	WP	Green	-	=0.05	Bal.	0.8~15	D,E G,S	Non-radioactive;suitable for AC welding of aluminum, magnesium, and their alloy
Thoriated Tungsten	WT10	Yellow	0.9~1.1ThO2	=0.05	Bal.	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	WT20	Red	1.8~2.2ThO2	=0.05	Bal.	0.8~15	D,E G,S
Lanthanum Tungsten	WL10	Black	0.8~1.2La2O3	=0.05	Bal.	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.
	WL15	Golden Yellow	1.3~1.7 La2O3	=0.05	Bal.	0.8~15
	WL20	Blue	1.8~2.2 La2O3	=0.05	Bal.	0.8~15
Cerium Tungsten	WC10	Pink	0.8~1.2CeO2	=0.05	Bal.	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.
	WC15	Orange	1.3~1.7CeO2	=0.05	Bal.	0.8~15
	WC20	Grey	1.8~2.2CeO2	=0.05	Bal.	0.8~15
Yttrium Tungsten	WY20	Sky Blue	1.8~2.2Y2O3	=0.05	Bal.	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	WR	Cyan	1.0~5.0MOx	=0.05	Bal.	0.8~15	D,E G,S	Compound rare-earthtungsten electrode;different additives contributing to better performance of tungsten electrode

Choose electrode with proper diameter according to current

Diameter		DC(A)		AC(A)
in	mm	Electrode connected with (-)	Electrode connected with (+)	non-symmetric waveform	symmetric waveform
0.04"	1.0	15-80		10-80	20-60
1/16"	1.6	60-150	10-18	50-120	40-100
0.079"	2.0	100-200	12-20	70-160	60-130
3/32"	2.4	150-250	15-25	80-200	80-150
1/8"	3.2	220-350	20-35	150-270	120-200
5/32"	4.0	350-500	35-50	220-350	170-260
3/16"	4.8	420-650	45-65	240-420	220-340
1/4"	6.4	600-900	65-100	360-560	250-450