Tungsten Electrode Current Selection

Electrode Diameter (mm)	Direct Current (DC)				Alternating Current (AC)
	Electrode Negative (-)		Electrode Positive (+)		Electrode A	Electrode B
	Electrode A	Electrode B	Electrode A	Electrode B
0.25	Up to 15	Up to 15	Not applicable	Not applicable	Up to 15	Up to 15
0.30	Up to 15	Up to 15	Not applicable	Not applicable	Up to 15	Up to 15
0.50	2~20	2~20	Not applicable	Not applicable	2~15	2~15
1.0	10~75	10~75	Not applicable	Not applicable	15~55	15~70
1.5	60~150	60~150	10~20	10~20	45~90	60~125
1.6	60~150	60~150	10~20	10~20	45~90	60~125
2.0	75~180	100~200	15~25	15~25	65~125	85~160
2.4	120~220	150~250	15~30	15~30	80~140	120~210
2.5	130~230	170~250	17~30	17~30	80~140	120~210
3.0	150~300	210~310	20~35	20~35	140~180	140~230
3.2	160~310	225~330	20~35	20~35	150~190	150~250
4.0	275~450	350~480	35~50	35~50	180~260	240~350
4.8	380~600	480~650	50~70	50~70	240~350	330~450
5.0	400~625	500~675	50~70	50~70	240~350	330~460
6.3	550~875	650~950	65~100	65~100	300~450	430~575
6.4	575~900	750~1000	70~125	70~125	325~450	450~600
8.0						650~830
10.0
Electrode A refers to pure tungsten electrode. Electrode B refers to rare earth doped tungsten electrode. Blanks without value are not recommended.

If there is any interest in tungsten electrode, please feel free to contact us through the following methods.
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