Code of Federal Regulations > Title 46 > Chapter I > Part 54 > Subpart 54.05

Regulations last checked for updates: Feb 13, 2026

Title 46 - Shipping last revised: Jan 15, 2026

§ 54.05-1 - Scope (replaces UG-84).

§ 54.05-3 - Tests required.

§ 54.05-5 - Toughness test specimens.

§ 54.05-6 - Toughness test temperatures.

§ 54.05-10 - Certification of material toughness tests.

§ 54.05-15 - Weldment toughness tests—procedure qualifications.

§ 54.05-16 - Production toughness testing.

§ 54.05-17 - Weld toughness test acceptance criteria.

§ 54.05-20 - Impact test properties for service of 0 °F and below.

§ 54.05-25 - [Reserved]

§ 54.05-30 - Allowable stress values at low temperatures.

authority: 33 U.S.C. 1509; 43 U.S.C. 1333; 46 U.S.C. 3306,3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3

source: CGFR 68-82, 33 FR 18828, Dec. 18, 1968, as amended by USCG-2020-0634, 89 FR 50104, June 12, 2024, unless otherwise noted.