Welding is a process of joining two metals by heating the metals to a suitable temperature. It may be done with or without the application of pressure, and with or without filler.
Types:
Full Penetration Welding- This type of welding ensures a fully welded interface between the two parts and is generally the strongest joint.
Partial Penetration Welding- This type consists of a partially welded interface with filler metal being laid on the surface of the two metals.