Demystifying the Plug Welding Symbol

Demystifying the Plug Welding Symbol plug or slot weld symbol Slot and plug welds are made when holes are created in one material and then welded to another by filling the holes with weld metal The difference is that a plug and slot weld Parentheses located above or below the weld symbol contain the number of plugs or slots The arrow-side and other-side designations indicate

plug and slot weld Plug and slot welds; Spot welds and seam welds; Groove weld symbols; Backing, back, melt-thru and surfacing symbols; Edge weld and combination weld symbols

plug and slot weld symbol The symbol decodes to: far side is a slot or plug weld and near side as a bevel weld I doubt that whomever created it is familiar The weld symbol conveys to the fabricator the position of welds The course covers all types of welds including groove welds, fillet welds, plug and slot