What is a Plug Weld?

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

Plug or slot weld symbol is a rectangle on the weld arrow Spot or projection is a circle, either tangent to the weld arrow or centered on

plug or slot weld For parallel welds, draw this symbol symmetrically about the reference line For staggered welds, the symbols shown below can be used Plug, Slot, ――― Bead

plug and slot weld symbol Plug or slot weld symbol is a rectangle on the weld arrow Spot or projection is a circle, either tangent to the weld arrow or centered on