CFR›Title 49›Subtitle B›Chapter I›Part 179›Subpart D›49 CFR 179.200-11 Citation49 CFR 179.200-11CorpusDaily eCFRDisplayed edition2026-09-09Last updated2026-09-09 § 179.200-11 Postweld heat treatment.When specified in § 179.201-1, after welding is complete, postweld heat treatment must be in compliance with the requirements of AAR Specifications for Tank Cars, appendix W (IBR, see § 171.7 of this subchapter).[68 FR 75761, Dec. 31, 2003] Previous 179.200-10 § 179.200-10 Welding. Next 179.200-13 § 179.200-13 Manway ring or flange, pressure relief device flange, bottom outlet nozzle flange, bottom washout nozzle flange and other attachments and openings.
§ 179.200-11 Postweld heat treatment.When specified in § 179.201-1, after welding is complete, postweld heat treatment must be in compliance with the requirements of AAR Specifications for Tank Cars, appendix W (IBR, see § 171.7 of this subchapter).[68 FR 75761, Dec. 31, 2003]