Welding Symbols and How to Read Them

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

plug and slot weld The plug weld symbol is a circular weld made through a hole in one of the workpieces, joining it to the surface of another workpiece beneath it