Deciphering Weld Symbols

Welding Techniques Plug and Slot welds used with lap joints Surfacing welds are used to build up

A plug weld joins the surface of a piece of material to another piece through a hole The hole can be partially or completely filled with the weld material

plug and slot weld symbol FIGURE 9 SURFACING, PLUG AND SLOT WELDS the first member Slot Weld the hole Fillet Weld This type weld is shown in figure 6, view L

plug and slot welds 1 When are plug and slot welds used? Plug and slot welds are permitted for the transfer of shear force only As such, they are sometimes used to transmit shear