Subpart 54.25. Subpart 54.25—Construction With Carbon, Alloy, and Heat-Treated Steels

• § 54.25-1 - Scope.
• § 54.25-3 - Steel plates (modifies UCS-6).
• § 54.25-5 - Corrosion allowance.
• § 54.25-7 - Requirement for postweld heat treatment (modifies UCS-56).
• § 54.25-8 - Radiography (modifies UW-11(a), UCS-57, UNF-57, UHA-33, and UHT-57).
• § 54.25-10 - Low temperature operation—ferritic steels (replaces UCS-65 through UCS-67).
• § 54.25-15 - Low temperature operation—high alloy steels (modifies UHA-23(b) and UHA-51).
• § 54.25-20 - Low temperature operation—ferritic steels with properties enhanced by heat treatment (modifies UHT-5(c), UHT-6, UHT-23, and UHT-82).
• § 54.25-25 - Welding of quenched and tempered steels (modifies UHT-82).