49 CFR 179.200-11 - Postweld heat treatment.

§ 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]

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