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OSHA's guide lists which shade for gas-shielded arc welding on ferrous metals with 1/16 to 5/32 inch electrodes?

Shade 12.

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  1. Shade 12 ✔
  2. Shade 11
  3. Shade 5

Why: Steel (ferrous) gets a darker shade than nonferrous metals in OSHA's guide. Shade 12 is listed for ferrous and shade 11 for nonferrous.

Huh, didn't know that: For nonferrous metals like aluminum, the same guide lists shade 11.

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References

Answer: Shade 12. Steel (ferrous) gets a darker shade than nonferrous metals in OSHA's guide. Shade 12 is listed for ferrous and shade 11 for nonferrous.

  1. OSHA 29 CFR 1910.252 General requirements, welding, cutting and brazing www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.252
    1 ⁄ 16 -, 3 ⁄ 32 -, 1 ⁄ 8 -, 5 ⁄ 32 -inch electrodes 12
    Checked 2026-10-11.

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