Point end
Flat end
Angular end
Spherical end
welding current is decreased
electrode angle is decreased
welding speed is decreased
arc length is decreased
0.15% Carbon steel
0.30% Carbon steel
0.5% Carbon steel
0.75% Carbon steel
Electrode holder is connected to negative and work to the positive
Holder connected to positive and work to negative
Holder is positive and work is earthed
Work is positive and holder is earthed
Oxidising flame
Carburising flame
Neutral flame
Cannot be welded by gas welding process