plug or slot weld
The Different Weld Symbols Explained: Welding Basics
My slot weld call out was based on a simplistic definition that while fillet welds maybe be placed around the inside of a slot, if you completely fill the slot than a slot weld symbol would better describe the weld.
Nghĩa của từ Slot weld - Từ điển Anh - Việt
A Slot Weld is just like a plug weld. It is made in a hole that is in a lap joint or a tee joint which joins the metal to the top of the other piece of metal underneath it.
Plug and Slot Weld | Design of Steel Structures | Abhinav Kumar ...
Strength solution of welds: Two types of damage appear in plug and slot welds: 1) shear in the weld base surface 2) tear in the weld circumferential surface.