Deciphering Weld Symbols, Part 1

Deciphering Weld Symbols, Part 1 plug weld vs slot weld Slot welds are stronger than plug welds but require more filler metal A small weld made on or between the surfaces of overlapping parts Multiple spot welds plug or slot weld Slot and Plug Symbol Slot and plug welds are made when holes are created in one material and then welded to another by filling the holes with weld metal The

plug or slot weld 5) 2 Plug, Slot, Spot, Projection, and Seam Weld Symbols For Plug welding symbols may be used to specify welding two or 2

plug slot weld Single-U butt weld 8 Single-U butt weld 9 Backing run; back or backing weld 10 Fillet weld 11 Plug weld; plug or slot weld  They also can be used with single weld pass or multiple weld passes PLUG AND SLOT WELDS These weld types are used for joining metals