What is a Plug Weld?

The plug weld symbol is a simple rectangle It is used on welding diagrams to indicate where a plug weld is needed and what size it should be

Plug and slot symbols contain similar information except that plug welds do not have a length component and the size of a plug weld is its diameter whereas the

plug and slot weld The image above is a Welding Symbol SlotPlug Weld Spot Weld Seam Weld Fillet Weld

plug slot Double-U butt weld Flat single-V butt weld with flat backing run Fillet weld Convex double-v weld Plug weld