Recommended Welding Amperage
Current
| SMAW | DC Reverse (electrode positive) Polarity |
| GMAW | DC Reverse (electrode positive) Polarity with 100% Argon or a 75-25% Argon/Helium mixture |
| GTAW | DC Straight (electrode positive) Polarity and ACHF using 100% Argon or Helium |
Recommended
Welding Amperage
| Electrode Diameter | Amperes* | |
|---|---|---|
| SMAW (dcp) (electrodes+) |
3/32" | 50-110 |
| 1/8" | 90-160 | |
| 5/32" | 130-180 | |
| 3/15" | 150-225 |
| Wire Diameter | Voltage | Amperes* | |
|---|---|---|---|
| GMAW (dcp) (electrodes+) |
0.035" | 20-26 | 100-200 |
| 0.045" | 22-28 | 100-250 | |
| 1/16" | 29-32 | 250-400 | |
| 3/32" | 32-34 | 350-500 |
| Wire Diameter | Electrode Diameter | Amperes* | |
|---|---|---|---|
| GTAW (dcsp) (electrodes+) |
1/16" | 1/16" | 90-130 |
| 3/32" | 1/16", 3/32" | 120-160 | |
| 1/8" | 3/32", 1/8" | 150-300 | |
| 3/16" | 1/8", 1/16", 3/32" | 175-350 |
*Use low range for iron-base or nickel-base alloys, middle range for bronze alloys, high range for copper