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Chapter 9
Subsection NE — Class MC Components

Excerpt

Chapter 9, has been authored by Kamran Mokhtarian for the previous two editions and now updated considerably by Roger F. Reedy continues the discussion of Subsection NE, Class MC Components. This chapter summarizes some of the more significant requirements of Section III, Subsection NE and provides a commentary on such requirements. Kamran's comments and interpretations of the rules are based on his several years of experience in design, analysis, and construction of containment vessels, as well as his participation in various ASME Code Committees. Some comparisons of the rules of Section VIII are included for information. The analysis procedures are not dealt with in any great detail, for they are similar to those of Subsection NB and Section VIII, Division 2; more emphasis is placed on the unique features of Subsection NE. A number of Code Cases and references regarding the rules of Subsection NE are cited, with cross-references to other Code Sections and Subsections. This chapter is based on the 2007 Edition of the Code.

The items covered in Chapter 9 include Scope of Subsection NE; Boundaries of Jurisdiction of Subsection NE; General Material Requirements; Certified Material Test Reports; Material Toughness Requirements; General Design Requirements; Qualifications of Professional Engineers; Owner's Design Specifications; Certified Design Report; Design by Analysis; Appendix F; Fatigue Analysis; Buckling; Reinforcement of Cone-to-Cylinder Junctions; Plastic Analysis; Design by Formula; Openings; Bolted Flange Connections; Welded Connections; General Fabrication Requirements; Tolerances; Requirements for Weld Joints; Welding Qualifications; Rules for Making, Examining, and Repairing Welds; Heat Treatment; Examination; Qualification and Certification of NDE Personnel; Testing; Overpressure Protection; and Nameplates, Stamping, and Reports.

  • 9.1 Introduction
  • 9.2 Scope of Subsection NE
  • 9.3 Boundaries of Jurisdiction of Subsection NE
  • 9.4 General Material Requirements
  • 9.5 Certified Material Test Reports
  • 9.6 Material Toughness Requirements
  • 9.7 General Design Requirements
  • 9.8 Qualifications of Professional Engineers
  • 9.9 Owner's Design Specifications
  • 9.10 Certified Design Report
  • 9.11 Design by Analysis
  • 9.12 Appendix F
  • 9.13 Fatigue Analysis
  • 9.14 Buckling
  • 9.15 Reinforcement of Cone-to-Cylinder Junction
  • 9.16 Plastic Analysis
  • 9.17 Design by Formula
  • 9.18 Openings
  • 9.19 Bolted Flange Connections
  • 9.20 Welded Connections
  • 9.21 General Fabrication Requirements
  • 9.22 Tolerances
  • 9.23 Requirements for Weld Joints
  • 9.24 Welding Qualifications
  • 9.25 Rules for Marking, Examining, and Repairing Welds
  • 9.26 Heat Treatment
  • 9.27 Examination
  • 9.28 Qualifications and Certification of NDE Personnel
  • 9.29 Testing
  • 9.30 Overpressure Protection
  • 9.31 Nameplates, Stamping, and Reports
  • 9.32 Recommendations
  • 9.33 References
  • 9.34 Summary of Changes

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