{"data":{"id":"us/49-cfr-195.212","jurisdiction":"us","citation":"49 CFR 195.212","heading":"Bending of pipe.","body":"(a) Pipe must not have a wrinkle bend.\n(b) Each field bend must comply with the following:\n(1) A bend must not impair the serviceability of the pipe.\n(2) Each bend must have a smooth contour and be free from buckling, cracks, or any other mechanical damage.\n(3) On pipe containing a longitudinal weld, the longitudinal weld must be as near as practicable to the neutral axis of the bend unless—\n(i) The bend is made with an internal bending mandrel; or\n(ii) The pipe is 12 3/4 in (324 mm) or less nominal outside diameter or has a diameter to wall thickness ratio less than 70.\n(c) Each circumferential weld which is located where the stress during bending causes a permanent deformation in the pipe must be nondestructively tested either before or after the bending process.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER D—PIPELINE SAFETY","PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE","Subpart D—Construction"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"b073120cf3eb0a4f68b6755fc5cd59052048551fc2691f4c545c748ab44b7668","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-195.210","next":"us/49-cfr-195.214"},"notice":"GroundRules: Original legal text. Not legal advice."}