1. LawStack
  2. Title 49 - Transportation
  3. Subtitle B - OTHER REGULATIONS RELATING TO TRANSPORTATION
  4. Chapter I - PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  5. Subchapter C - HAZARDOUS MATERIALS REGULATIONS
  6. Part 179 - SPECIFICATIONS FOR TANK CARS
  7. Subpart D - Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)
  8. 49 CFR § 179.200-11
49 CFR § 179.200-11
Postweld heat treatment
November 18, 2020
CFR

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]

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§ 179.200-10 Welding
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§ 179.200-13 Manway ring or flange, pressure relief device flange, bottom outlet nozzle flange, bottom washout nozzle flange and other attachments and openings

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