Circuit of current

Direction of current

Open circuit of current

Opp direction of current

Normal penetration

More penetration

Less penetration

Less weld deposit

Straight polarity

Reverse polarity

AC Transformer

Rectifier set

Forged pipe / Rolled pipe

Strip rolled / moulded type

Bent sheet pipe / Hot forged

Seamless pipe / Resistance welded pipe

Heavy coated electrodes

Light coated electrodes

Medium coated electrodes

Super heavy coated electrodes