49 C.F.R. § 179.201-4
Current through May 31, 2024
All fittings, tubes, and castings and all projections and their closures, except for protective housing, must also meet the requirements specified in ASTM A 262 (IBR, see §171.7 of this subchapter), except that when preparing the specimen for testing the carburized surface may be finished by grinding or machining.
49 C.F.R. §179.201-4