Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-welding-c5e8dfeb98d1

Why can the heat-affected zone be weaker than the base metal?

Heat and stress alter its properties.

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  1. Heat and stress alter its properties ✔
  2. It is always painted
  3. It was never heated

Why: Heat and uneven cooling alter the metal's properties, and the heat-affected zone is often weaker than the base material.

Huh, didn't know that: Heat and uneven cooling alter the metal's properties, and the heat-affected zone is often weaker than the base material.

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That zone is not up to strength!
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References

Answer: Heat and stress alter its properties. Heat and uneven cooling alter the metal's properties, and the heat-affected zone is often weaker than the base material.

  1. Welding en.wikipedia.org/wiki/Welding
    The metal in this area is often weaker than both the base material and the fusion zone
    Checked 2026-11-07.

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