A Guide to Weld Symbols in the UK

Deciphering Weld Symbols, Part 1 plug or slot weld symbol Spot Weld; Seam Weld; Plug Weld; Slot Weld ELEMENTARY SYMBOLS SUPPLEMENTARY SYMBOLS Weld Profile EXAMPLES OF APPLICATION Method of representation Welding plug slot For example, if a diameter of a hole for a plug weld is to be 6mm, the plug weld symbol will be accompanied by Ø6 on its right side, signifying

plug weld and slot weld 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