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Technical Justification Supporting Operation With a Tube Installed in a Mis-Drilled Hole of a Steam Generator Tubesheet

[+] Author Affiliations
Roberto Ruiz, Enrique Gomez

ENSA, Maliano, Cantabria, Spain

Robert M. (Con) Wilson

Private Consultant, Orlando, FL

Paper No. PVP2013-97076, pp. V003T03A101; 6 pages
  • ASME 2013 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • Paris, France, July 14–18, 2013
  • Conference Sponsors: Pressure Vessels and Piping Division, Nondestructive Evaluation Engineering Division
  • ISBN: 978-0-7918-5567-6
  • Copyright © 2013 by ASME


An evaluation is described for a tube with manufacturing induced bending, resulting from installation in a tubesheet mis-drilled hole. Considerations include manufacturing processes such as tube installation and tube expansion plus evaluations of the resulting tube stresses using ASME B&PV Code Section III rules. Also considered are operating issues such as potential interaction with neighboring tubes, tube vibration and wear, and the potential for accelerated tube corrosion. This is a companion paper to “ASME Section III Stress Analysis of a Heat Exchanger Tubesheet with a Misdrilled Hole and Irregular or Thin Ligaments”.

Copyright © 2013 by ASME



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