• April 13, 2022
    9:00 am - 11:30 am
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Bill Amend will present “Identifying Vintage and Modern Pipe Types in the Field,” as a webinar on April 13, 2022, at 9 am CDT.

This class has met the minimum and is continuing to take registrations.

There is increased interest among pipeline operators in using randomly selected samples of pipe to determine the characteristics of an entire pipeline segment.  An important consideration is determining whether all the pipe samples represent the same population of pipe or whether the observations indicate that multiple populations of pipe are present.  When multiple pipe populations are present the mechanical properties and metallurgical characteristics can be different for each population.  As a result, the vulnerabilities and threats to long-term integrity can be different, and sampling plans may need to be modified to obtain a statistically defensible number of measurements for each population.

Webinar participants will learn how to use visual and nondestructive inspection to identify:

  • The manufacturing process used to make the pipe, including:
    1. seamless
    2. ERW
    3. lap seam
    4. butt weld (furnace butt weld and continuous butt weld)
    5. three variants of seams made by A.O. Smith (arc welded, arc+flash welded, and flash welded)
    6. single side and double side submerged arc welded seams (SSAW and DSAW)
  • The manufacturer of the pipe
  • Whether the pipe was rehabilitated after prior service and reused in a new application, and the related integrity implications for that pipeline segment
  • Various types of girth weld designs used since the 1920s including:
    1. Bell+spigot joints
    2. Bell-bell-chill ring (BBCR) joints
    3. Open root butt joints
    4. Modified joints typical of rehabilitated pipe
  • How or if the girth welds were originally tested or inspected
  • Evidence of welded repairs, included “puddle welding” and the related integrity threats associated with early repairs
  • Obsolete pipe bends (wrinkle bends and miter bends) and fittings and the integrity threats associated with them


Course notes
Certificate of completion awarding 2.5 PDHs


This webinar was rated as 5 stars out of 5 possible stars!
“The instructor was really great! Really concise and to the point with enough detailed explanation.  Very well thought out and clear.”
“It was a straightforward and highly educational presentation by the instructor. He summarized t topic and his expertise in a way that was clear and easy to understand .”
“Very knowledgeable and able to answer all questions. Great instructor and great webinar overall I learned a lot.”
“Very knowledgeable”
“Very knowledgeable with excellent content.”
“I thought the webinar was very interesting and I learned a lot. Thanks!”
“Very thorough, knowledgeable, and interesting.”
“Very knowledgeable and able to answer all questions.Great instructor and great webinar overall. I learned a lot.”
“He is very knowledgeable about identifying vintage and modern pipe. This webinar was very informative and will be helpful in the future.”
“Great presentation and ability to answer questions.”
100% of respondents would recommend this webinar to others within and outside of their company.

Instructor Bio

Bill Amend, P.E
Principal Engineer, DNV
Pipeline Integrity, Metallurgical Engineering, Materials Selection, Welding Engineer

Bill Amend has 41 years of experience performing pipeline integrity management, failure analysis, metallurgical engineering, and welding engineering services. His background includes 26 years working for pipeline operators (Unocal and Southern California Gas Co.)  before working for engineering services providers. He is currently Principal Engineer at DNV GL. He is a co-author of the ASME report CRTD Vol. 91 regarding field measurement of hardness to determine the lower bound yield strength of pipe and has managed and conducted various research projects for ASME, DNV GL, NYSEARCH and PRCI addressing the continued development and validation of methods for nondestructive determination of pipe properties, chemical analysis of steel, tensile testing, and characteristics of early vintage pipeline girth welds.  He is a registered professional Metallurgical Engineer in California and graduated from California Polytechnic State University in San Luis Obispo (Cal Poly SLO).

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