yourstate.us
Home / United States / 49 CFR
49 CFR 230.24

§ 230.24 Maximum allowable stress.

United States · 49 CFR — Transportation · Status: effective

Get this as JSONEmbed this
Cite this
Citation
49 CFR 230.24, § 230.24 Maximum allowable stress, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/258635
Permanent ID
ys:prov:258635@1
SHA-256
ab52390d9e0ca889b866a68fde3c08d083ba15ddd6c2c326430b2741e397f344

The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.

Full text

(a) Maximum allowable stress value. The maximum allowable stress value on any component of a steam locomotive boiler shall not exceed 1/4 of the ultimate tensile strength of its material. (b) Safety factor. When it is necessary to use the code of original construction in boiler calculations, the safety factor value shall not be less than 4.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.