Tungsten Electrodes tungsten heater tungsten product Generally used in the AC welding of aluminum and magnesium alloy. Reasonable price! high quality!
Type of Electro de | Designa -tion | Oxide Additive | Impurities Content | Tungsten Content | Color sign | |
Category | Content % | -------- | -------- | -------- | ||
Pure Tungsten | WP | -------- |
| <0.20 | Balance | Green |
Yttriated Tungsten | WY20 | Y2O3 | 1.8-2.2 | <0.20 | Balance | Blue |
Compo- site | -------- | -------- | 1.5-3.0 | <0.20 | Balance | ------- |
Recommended Tungsten Electrodes for Various Welding Currents
Diamter of Electrode | DC(A) | AC(A) | |||
In | Mm | Straight Polarity | Reverse Polarity | Unbalanced Waves | Balanced Waves |
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 |
Tungsten Electrodes tungsten heater tungsten product