Prohibited types of joints and welds

plug and slot welds   Dan plug and slot welds

Plug welds are circular welds made through one member of a lap or tee joint joining that member to the other The weld may or may not be made

In material 5â „8 in or less thick, the thickness of plug or slot welds should be the same as the material thickness In  Comments ; Plug and Slot Welds College of Western Idaho Welding · 16K views ; Learn

slot systems limited For slotted holes it is the same as above except the length of the slot shall not exceed 10 times the thickness of the part containing it The minimum center to To enable thicker plate to be joined by 'spot welding' a circular or elongated hole may be machined through the top plate, enabling either a plug or a slot weld