---
kind: "section"
citation: "46 C.F.R. § 154.401"
title: "46"
number: "154.401"
heading: "Definitions."
url: "https://uscodex.org/cfr/46/154.401"
---

# §154.401. Definitions.


As used in §§ [154.440](/cfr/46/154.440.md) and [154.447](/cfr/46/154.447.md):

“σY” means the minimum yield strength of the tank material, including weld metal, at room temperature.

“σB” means minimum tensile strength of the tank material, including weld metals, at room temperature.


## Notes

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.