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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Archived Rulemaking: Transportation of liquids by pipeline; Longitudinal Seams in pipe bends

Document
42-fr-42865.pdf (457.28 KB)

This amendment permits longitudinal welds in'field bends of steel pipe to be placed other than near the neutral axis when an internal bending .mandrel is used or when bending pipe of 12 inches or less in outside diameter that has a diameter to wall thickness ratio of less than 70. This amendment permits the utilization of new techniques for bending steel pipe in the field and permits the realization of the attendant safety and economic benefits.

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Last updated: Tuesday, August 21, 2018