Plug welded joints are used-

Slot Weld Calculation plug weld and slot weld 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 plug weld and slot weld Explanation: A plug or slot weld is a type of weld specifically used for joining overlapping metal surfaces or sheets, characterized by the way

plug and slot weld Plug Weld or slot weld: It is used for attaching flat plates using one or more holes or slots in the top part and then filling with filler metal