Flux coated electrodes
Bare wire electrode
Flux cored electrodes
Guided bend test Guided bend test Tungsten electrode
0.8 to 1.6 mm
0.7 to 1.3 mm
0.6 to 0.9 mm
0.5 to 0.7 mm
Automatic
Semi automatic
Fully automatic
Manual method
Annealing
Hardening
Normalising
Case hardening