46 CFR § 154.625
Design temperature below 0 °C (32 °F) and down to −165 °C (−265 °F)
April 15, 2021
Pipes, tubes, forgings, castings, bolting, and nuts for cargo and process piping for a design temperature below 0 °C (32 °F) and down to −165 °C (−265 °F) must meet §56.50-105 of this chapter.