49 C.F.R. § 195.216 Welding: Miter joints.
Title 49 - Transportation
A miter joint is not permitted (not including deflections up to 3 degrees that are caused by misalignment).
Title 49: Transportation
PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE
Subpart D—Construction
§ 195.216 Welding: Miter joints.
