Plug welds and slot welds are identified by the same symbol, except

Weld Symbols plug or slot weld symbol So it's a slot & tab assembly ? the weld cap instruction over top of the symbol No sin in adding words in a note next to the weld, main point plug slot weld All other types of weld exist in the single form each So, while referring to the symbols for fillet, spot, seam, plug or slot weld, there will

plug or slot weld Proper technique is to initiate the arc in the center and deposit weld metal in spiral layers