46 CFR 154.620
§ 154.620 Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F).
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 154.620, § 154.620 Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F), United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228946
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Full text
Plates, forgings and forged or rolled fittings, and rolled, forged or extruded bars and shapes for cargo tanks, secondary barriers, and process pressure vessels for a design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F) must:
(a) Meet § 54.25-10(b)(2), § 54.25-15, or § 54.25-20 of this chapter; or
(b) Be of an aluminum alloy that is specially approved by the Commandant (CG-ENG).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.