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SESK: Stuff Everyone Should Know · sesk.info/weld-stick-e7018-tensile

In the stick electrode E7018, what does the 70 mean?

70,000 psi minimum tensile strength.

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  1. A recommended 70 amps
  2. 70,000 psi minimum tensile strength ✔
  3. A 70 percent flux coating

Why: The first two digits of an AWS stick electrode code show tensile strength in thousands of psi. E7018 makes weld metal at least 70,000 psi.

Huh, didn't know that: Miller calls E7018 one of the easiest electrodes to use.

The dad joke
E7018 is a high achiever. Its strength is a solid 70 out of 70.
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References

Answer: 70,000 psi minimum tensile strength. The first two digits of an AWS stick electrode code show tensile strength in thousands of psi. E7018 makes weld metal at least 70,000 psi.

  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 number 70 in a E7018 electrode indicates that the electrode will produce a weld bead with a minimum tensile strength of 70,000 psi.
    Checked 2026-10-10.

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