a plug or slot weld is what type of weld, just prepared differently?

welding a pipe or tube onto a base plate Different weld types can include: Fillet weld; Plug weld; (Slot weld; Bevel-groove weld; J-groove weld

of the upper plate or 12 mm thickness whichever is greater The design stress on a plug or slot weld will be same as that in fillet weld and is specified in

slot star77 Slot welds Base area of weld d plug weld diameter, or slot weld width [mm,

slot frog story To enable thicker plate to be joined by 'spot welding' a circular or elongated hole may be machined through the top plate, enabling either a plug or a slot weld