46 C.F.R. § 154.620 Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F).
Title 46 - Shipping
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 (G-MSO). [CGD 74–289, 44 FR 26009, May 3, 1979, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983]
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Materials
§ 154.620 Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F).
