Weld Symbols

Plug and Slot Welds These welds are used to indicate welds with overlapping materials Material pieces have round holes for plug welds and

Weld Symbols Standard Location of Elements of a Welding Symbol Finish symbol Contour symbol Root opening; depth of filling for plug and slot welds Groove weld size

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 weld Find the number of plugs or slots in parentheses above or below the weld symbol The arrow-side and other-side designations indicate which piece

Chapter 45 — Welding Symbols © 2015 by American Technical Publishers All rights reserved The slot weld symbol is similar to the plug weld symbol except that

plug or slot weld Fillet welds; Plug and Slot welds Basic Parts Reference Line Reference Line Contains the “weld symbol

Double-U butt weld Flat single-V butt weld with flat backing run Fillet weld Convex double-v weld Plug weld