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Stick electrodes with AWS codes ending in which digits are low hydrogen?

15, 16 or 18.

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  1. 10, 11 or 12
  2. 13, 14 or 24
  3. 15, 16 or 18 ✔

Why: Rods like E7015, E7016 and E7018 have excellent low hydrogen properties. That helps prevent weld cracking on thick material.

Huh, didn't know that: Miller says thick material needs an electrode with maximum ductility and low hydrogen.

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What do the other elements say about hydrogen? He's such a loner!
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References

Answer: 15, 16 or 18. Rods like E7015, E7016 and E7018 have excellent low hydrogen properties. That helps prevent weld cracking on thick material.

  1. Factors for Selecting the Right Stick Electrode (Miller) www.millerwelds.com/en-US/resources/knowledge-hub/stick-welding/factors-for-selecting-the-right-stick-electrode
    Electrodes with AWS classification numbers ending in 15, 16 or 18 provide excellent
    Checked 2026-10-10.

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