A Guide to Weld Symbols in the UK

Welders use plug weld symbols to show the amount, diameter, locations and spacing of the holes to be drilled These symbols may also include details of the

Plug, Slot, Arc Spot, Arc Seam, Resistance Spot, Resistance Seam and Projection For these symbols, the arrow connects the welding symbol reference line to the

plug slot The number of plugs or slots is given in parentheses above or below the weld symbol The arrow-side and other-side designations indicate which piece contains

plug and slot weld Unit 17 Plug and Slot Welds 0010 0010 Symbol A-A Desired weld A-A 235 Symbol Desired weld student submitted image, transcription available