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