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

plug weld and slot weld   Dan plug weld vs slot weld

A · Butt weld ; B · slot weld ; C · Plug weld ; D · Fillet weld

3 These standards provide provisions for groove welds, arc spot welds, arc seam welds, fillet welds, flare groove welds, and plug welds  Slot Weld and Plug Weld · Slot Weld: In this method, a plate with a circular hole is placed on the plate to be joined, and a fillet weld is created along the

bkpg slot Slot or Plug Welding Symbol Diagram of Plug or Slot Welding Symbol indicating angle of countersink, pitch, size and depth Plug & Slot Welds The short answer is the larger the plug the easier it is to weld If you are not given specifications then I would use a 1 diameter hole through the 12 sheet