What is a Plug Weld? (Everything You Need To Know) - TWI
A plug weld, also known as a rosette weld, is a process that fuses two metals together by making a weld inside small circular holes. This typically involves two overlapping sheets or pieces of metal with the holes in the top one. The weld fills the hole in the uppermost material, joining the two workpieces together.
Welding Joints, Positions, and Symbols - ppt video online download
A weld symbol represents a particular type of weld (groove welding, fillet welding, plug welding, etc.) and always forms a part of the welding symbol drawn on a fabrication drawing.