46 CFR 154.620 - Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F).

Regulations last checked for updates: Oct 18, 2024

Title 46 - Shipping last revised: Oct 15, 2024

View all text of Subpart C [§ 154.170 - § 154.1440]

§ 154.620 - Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F).

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).

[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]

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

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

cite as: 46 CFR 154.620