Deciphering Weld Symbols, Part 1

Plug and Slot Weld Welded Connections Steel Structures plug or slot weld Per AISC table , fillet welds in holes and slots are allowed in tension and is allowed to be neglected in design However, plug and slot plug and slot weld Slot weld is also shown in the figure above It is quite similar to the plug weld, except that the hole is not circular, it is an elongated hole

plug or slot weld symbol The main difference between plug welds and slot welds is the shape of the hole that is drilled into the metal A plug weld has a round hole,