US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter I — PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 192 — TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDSSubpart B — Materials192.5149 C.F.R. § 192.51Scope.Last amended: 2016Year: 2026Length: 18 wordsOfficial source Cite as 49 C.F.R. § 192.51 (2026)This subpart prescribes minimum requirements for the selection and qualification of pipe and components for use in pipelines.Next49 C.F.R. § 192.53