46 CFR § 154.665
Welding procedures
April 15, 2021
Welding procedure tests for cargo tanks for a design temperature colder than 0 °C (32 °F), process pressure vessels, and piping must meet §54.05-15 and Subpart 57.03 of this chapter.
Welding procedure tests for cargo tanks for a design temperature colder than 0 °C (32 °F), process pressure vessels, and piping must meet §54.05-15 and Subpart 57.03 of this chapter.