4. Types of welds and how do you find the weld size

Question

Accepted Answer

There are several types of welds including fillet, groove, plug, and slot. Weld size is determined by the thickness of the material being welded.

Fillet welds are used to join two pieces of metal at a right angle and are measured by leg length.
Groove welds are used to join two pieces of metal that are parallel and are measured by the depth of the weld.
Plug welds are used to fill a hole in one piece of metal and are measured by the diameter of the hole.
Slot welds are used to join two pieces of metal that overlap and are measured by the length of the slot.
Weld size is determined by the thickness of the material being welded and is typically specified in the welding code or standard being used.

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