Plug welded joints are used-

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

The design stress on a plug or slot weld will be same as that in fillet weld and Use slot welds if required Assume site welding • The properties of

plug or 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 slot weld FIGURE 9 SURFACING, PLUG AND SLOT WELDS the first member Slot Weld the hole Fillet Weld This type weld is shown in figure 6, view L