12
Average Metal Thickness
Electrode Size
1.0 - 2.0mm
2.0mm
2.0 - 5.0mm
2.6mm
5.0 - 8.0mm
3.2mm
8.0mm +
4.0mm
Electrode Selection Guide
Electrode size selection will be determined by the thickness
of the section being welded. Use the table below as a guide:
Welding Current Guide
Welding current level is determined by the size of electrode.
Use the table below as a guide:
Electrode Size/Gauge
Welding Current
1.6mm
40-50 Amps
2.0mm
50-75 Amps
2.5mm
75-105 Amps
3.2mm
105-140 Amps
4.0mm
140-160 Amps
WARNING!
Ensure appropriate PPE is worn, and work area is clear of hazards prior to operation.
Starting The Arc
1.
Hold the Electrode above the work piece. In a smooth, quick motion, scratch the electrode
across the work piece to create the arc.
Welding Work Piece
2.
Hold the Electrode slightly above the work piece to maintain the arc, moving the electrode at an
even speed to create an even weld distribution.
Finishing the Weld
3.
Pull the electrode away from work piece quickly to break the arc.
4.
Once the weld has cooled, clean the weld by chipping away at slag to reveal the weld metal.
MMA (STICK) WELDING OPERATION