Welding Symbols and How to Read Them

Welding Symbols and How to Read Them plug and slot weld symbol Plug and slot symbols contain similar information except that plug welds do not have a length component and the size of a plug weld is its diameter whereas the plug slot strength for certain welds Groove weld size Root opening; depth of filling for plug and slot welds Finish symbol Contour symbol Reference line Elements in

plug slot Plug and slot welds; Spot welds and seam welds; Groove weld symbols; Backing, back, melt-thru and surfacing symbols; Edge weld and combination weld symbols

plug weld vs slot weld Plug and Slot Welds These welds are used to indicate welds with overlapping materials Material pieces have round holes for plug welds and Plug and slot symbols contain similar information except that plug welds do not have a length component and the size of a plug weld is its diameter whereas the