| Base Metal | Tungsten | Filler rod | Amperage |
| 0.010" - 0.045" | 0.040" | 0.024" - 0.030" | 5 - 20 |
| 0.030" - 1/8" | 1/16" | 0.030" - 0.045" | 15 - 90 |
| 3/32" - 1/4" | 3/32" | 1/16" - 3/32" | 50 - 160 |
| 3/16" - 3/8" | 1/8" | 3/32" - 1/8" | 140 - 240 |
| 5/16" - 1/2" | 5/32" | 1/8" - 3/16" | 220 - 300 |