Chapter 20
Nondestructive Examination (NDE)


The first edition of Chapter 20, was authored by Harold C. Graber, and this second edition has been co-authored by Jon Batey. The authors discuss Section V, Nondestructive Examination (NDE). The purpose of this chapter is to provide Users of Section V insight into the significant requirements, the NDE methods, the NDE methodology, the relationship of Section V with other Code Sections, and the use of ASTM Standards. The information provided is based on the 2004 Edition of Section V. The charter and scope of this Section is to develop and maintain Code rules for NDE methodology and equipment involved with the performance of surface and volumetric testing methods. These test methods are used for the detection and sizing of defects, discontinuities, and flaws in materials and weldments during the manufacture, fabrication and construction of parts, components, and vessels in accordance with the ASME B&PV Code and other ASME Codes, such as B31.1 (Power Piping)

Harold and Jon provide commentary on the contents of Section V, including Subsection A, which contains Articles and both Mandatory and Nonmandatory Appendices that address general requirements, test methods, and specific Code requirements and acceptance criteria; and Subsection B, which contains the ASTM Standards adopted by the ASME B&PV Code. This chapter addresses an audience that includes manufacturers (including equipment manufacturers), insurance companies, architect-engineers, research organizations, utilities, consultants, and the National Board. The authors address additions, revisions, inquires, interpretations, and Code Cases relevant to Section V. An important aspect of this chapter is its coverage of the inter-connection of Section V with other Code Sections and Subsections. This coverage provides insight into how the relationships of the Code Sections are integrated.

  • 20.1 Introduction
  • 20.2 Organization of Section V
  • 20.3 Relation to other ASME Code Book Sections
  • 20.4 Article 1 : General Requirements
  • 20.5 Article 2: Radiographic Examination
  • 20.6 Article 4: Ultrasonic Examination Methods for Welds
  • 20.7 Ultrasonic Examination Methods for Materials
  • 20.8 Article 6: Liquid-Penetrant Examination
  • 20.9 Article 7: Magnetic-Particle Examination
  • 20.10 Article 8: Eddy-Current Examination of Tubular Products
  • 20.11 Article 9: Visual Examination
  • 20.12 Article 10: Leak Testing
  • 20.13 Acoustic Emission Examination
  • 20.14 Article 11: Acoustic Emission Examination of Fiber-Reinforced Plastic Vessels
  • 20.15 Article 12: Acoustic Emission Examination of Metallic Vessels During Pressure Testing
  • 20.16 Article 13: Continuous AE Monitoring
  • 20.17 Article 14
  • 20.18 Technical Changes to Section V since the 1st Edition
  • 20.19 Future Changes Anticipated for Section V
  • 20.20 References

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