• April 21, 2020
    9:00 am - 11:00 am
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Bill Amend will Present “Identifying Vintage and Modern Pipe Types in the Field.” as a webinar on April 21, 2020 at 9 am CDT.

There is increased interest among pipeline operators in using randomly selected samples of pipe to determine the characteristics of an entire pipeline segment.  As a result, it is important to be able to identify as many characteristics of pipe nondestructively in the field as possible so that conclusive determinations can be made whether all pipe is from a single population or are the exposed segments of pipe representative of multiple populations having different characteristics.  When multiple pipe populations are present the mechanical properties can be different, the vulnerabilities and threats to long term integrity can be different, and sampling plans may need to be modified.

In this 2 hour webinar the participants will learn to use visual and nondestructive  inspection to identify the manufacturing process used to make the pipe. They will also learn to decipher the meaning of some early vintage pipe features that can indicate which manufacturer made the pipe, whether the pipe was rehabilitated after prior service and reused in a new application, the features of various types of girth weld designs used since the 1920s, and how or if the girth welds were originally tested or inspected.  The types of pipe that will be addressed include seamless, ERW, lap seam, butt weld/fusion weld seam, three variants of seams made by A.O. Smith (arc welded, arc+flash welded, and flash welded), single side and double side submerged arc welded seams (SSAW and DSAW), and lap seam.

 

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