Aha Trivia Stuff Everyone Should Know
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What does flux-cored arc welding use inside its wire?

A powder fill material.

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  1. A stream of water
  2. A powder fill material ✔
  3. A solid copper core

Why: Flux-cored wire is a tubular steel electrode surrounding a powder fill material that creates shielding gas and slag.

Huh, didn't know that: Flux-cored wire is a tubular steel electrode surrounding a powder fill material that creates shielding gas and slag.

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References

Answer: A powder fill material. Flux-cored wire is a tubular steel electrode surrounding a powder fill material that creates shielding gas and slag.

  1. Welding en.wikipedia.org/wiki/Welding
    employs wire consisting of a tubular steel electrode surrounding a powder fill material
    Checked 2026-11-07.

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