49 CFR 178.255-1
§ 178.255-1 General requirements.
United States · 49 CFR — Transportation · Status: effective
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- Citation
- 49 CFR 178.255-1, § 178.255-1 General requirements, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/256473
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Full text
(a) Tanks must be of fusion welded construction, cylindrical in shape with seamless heads concave to the pressure. Tank shells may be of seamless construction.
(b) Tanks must be designed, constructed, certified, and stamped in accordance with Section VIII of the ASME Code (IBR, see § 171.7 of this subchapter).
(c) Tanks including all permanent attachments must be postweld heat treated as a unit.
(d) Requirements concerning types of valves, retesting, and qualification of portable tanks contained in §§ 173.32 and 173.315 of this chapter must be observed.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.