SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/weld-stick-third-digit

In an AWS stick electrode code like E7018, the third digit tells you what?

The welding positions you can use it in.

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  1. The type of flux color
  2. The diameter of the rod
  3. The welding positions it can be used in ✔

Why: The first two digits give strength. The third gives positions, and a 1 means all positions. The fourth gives coating and current type.

Huh, didn't know that: Miller says the fourth digit covers coating type and welding current (AC, DC or both).

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You know what seems odd to me? Numbers that can't be divided by two.
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References

Answer: The welding positions it can be used in. The first two digits give strength. The third gives positions, and a 1 means all positions. The fourth gives coating and current type.

  1. 8 Questions About Stick Welding Rods (Miller) www.millerwelds.com/resources/article-library/stuck-on-stick-easy-answers-to-not-so-simple-questions-about-common-electrodes
    The third digit represents the welding position(s) for which you can use the electrode.
    Checked 2026-10-10.

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