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.
Email: sales@chinatungsten.com
Tel.: +86 592 512 9696/+86 592 512 9595

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1.How to Order Tungsten Electrode