Flux melting point
base metal melting point
filler metal melting point
temperature of flame to be set
Carbon and oxygen
Carbon and nitrogen
Carbon and hydrogen
Carbon and calcium
carbon electrode
aluminium electrode
metal electrode
mild steel coated electrode
to prevent oxidation
of its high thermal conductivity
it makes welding easier
it helps to control shrinkage
Thermit welding
Percussion welding
Ultrasonic welding
Explosive welding