This document's purpose is to provide pipeline operators with historical data on line pipe, so that they will be able to operate their pipelines, particularly the older ones, with greater confidence in their safety and reliability. The document is comprised of four major sections. The first explains the manufacturing processes that have been and are being used to make line pipe. The second presents tables by type of pipe listing the manufacturers of line pipe, past and present, in North America. At the end of this section some techniques for identifying unknown pipe samples are presented. In...

This commentary discusses some of the considerations of the joint ACI-ASME Committee in developing the provisions of ACI Standard 359 and ASME &P C Section III, ivision 2, Subsection CC, Article CC-3000 in the 2013 version of the code. Emphasis is given to the explanation of provisions that may be unfamiliar to code users. Comments on specific provisions are made under the corresponding paragraph numbers of the code. The figures and appendices referred to in this commentary occur only in the commentary so that their numbering has no parallel in the code. ecause the code is written and...