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

Plug, Slot, Arc Spot, Arc Seam, Resistance Spot, Resistance Seam, and Projection Welding Symbols For these symbols, the arrow connects the welding symbol

Plug Weld or slot weld: It is used for attaching flat plates using one or more holes or slots in the top part and then filling with filler metal

plug weld vs slot weld Plug and Slot Welds:- A plug weld is a weld made in a circular hole in one member of a joint fusing that member to another member

plug and slot weld Slot weld is also shown in the figure above It is quite similar to the plug weld, except that the hole is not circular, it is an elongated hole