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SESK: Stuff Everyone Should Know · sesk.info/weld-symbol-circle-all-around

An open circle where the arrow meets the reference line means what?

Weld all around the joint.

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  1. Weld all the way around the joint ✔
  2. Weld in the field
  3. Grind the weld flush

Why: An open circle where the arrow meets the reference line means the weld goes all the way around the joint, not just one side.

Huh, didn't know that: Miller says leg size sits left of a fillet symbol and length sits to the right.

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References

Answer: Weld all the way around the joint. An open circle where the arrow meets the reference line means the weld goes all the way around the joint, not just one side.

  1. How to Read and Understand Weld Symbols (Miller) www.millerwelds.com/en-US/resources/knowledge-hub/welding-basics/how-to-read-and-understand-weld-symbols
    The open circle at the arrow/reference line junction indicates a weld is to go all around the joint.
    Checked 2026-10-10.

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