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Online Companion Guide to the ASME Boiler & Pressure Vessel CodesAvailable to Purchase
Publisher:
ASME Press
Publication date:
2020

For the sixth edition, this chapter has been updated with revised Code requirements and Code Cases from the 2017 Code and 2019 Code Editions. The important areas of revised requirements and procedures include flaw proximity rules in IWA-3300, change in the yield strength limits from 50 ksi to 90 ksi for selected grades of SA-508 and SA-533, addition of stress intensity factor equations for circumferential OD surface flaws in Appendix A, A-3000, revised procedures for pipe flaw evaluation in Appendix C, C-4000 and C-5300, and an updated glossary terminology/definitions. Several new and revised Code Cases are also discussed to include N-513-5 (temporary acceptance of flaws in moderate energy piping systems), N-705-1 (temporary acceptance of flaws in moderate energy vessels and tanks), N-806-1 (evaluation of wall loss in buried pipe), N-848-1 (proximity rules for quasi-laminar flaws), N-869 (extension of N-513 to higher pressures for Class 2 and 3 piping systems), N-877 (characterization of multiple subsurface radially oriented planar flaws), N-889 (new reference curves for irradiated-assisted stress corrosion cracking growth for austenitic stainless steels), N-899 (weld residual stress reference curves for dissimilar metal welds), and N-890 (materials exempted from Appendix G, G-2110(b) requirements). It is important to note that additional proposal changes are being developed by the committees, some of which are discussed in 30.11.

History

Arthur F. Deardorff was the original author of this chapter that was updated by Mr. Deardorff in the second edition. For the third through fifth editions, Russell C. Cipolla revised the entire chapter although retaining certain portions of the previous text, equations, tables, and figures. For the current online edition, Mr. Cipolla has updated using 2017 and 2019 Editions, and additional information as appropriate.

1.
ASME Boiler and Pressure Vessel Code Section XI, Rules for Inservice Inspection of Nuclear Power Plant Components
,
The American Society of Mechanical Engineers
.
2.
Flaw Evaluation Procedures Background and Application of ASME Section XI Appendix A, NP-1406-SR
,
Electric Power Research Institute
,
August
1978
,
including errata dated April 19, 1980
.
3.
Hasegawa
,
K.
,
Miyazaki
,
K.
, and
Kanno
,
S.
,
Interaction Criteria for Multiple Flaws on the Basis of Stress Intensity Factors
,
PVP-Vol. 422
,
ASME 2001 PVP Conference
,
2001
.
4.
Code Case N-848, Alternative Characterization Rules for Quasi-Laminar Flaws, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
5.
Lacroix
,
V.
,
Dulieu
,
P.
, and
Couplet
,
D.
, “
Alternative Characterization Rules for Quasi-Laminar Flaws
,”
Paper PVP2014-28200, Proceedings of the ASME 2014 Pressure Vessels and Piping Conference, PVP2014
,
July 20–24
,
PVP2014
,
Anaheim, California USA
.
6.
Lacroix
,
V.
,
Dulieu
,
P.
, and
Bogaert
,
A-S.
Alternative Characterization Rules for Quasi-Laminar Flaws Based on 3D X-FEM Calculations
,”
Paper PVP2015-45792
,
Proceedings of ASME 2015 Pressure Vessels and Piping Division Conference
,
July 19-23, 2015
,
Boston, Massachusetts USA
.
7.
Maccary
,
R. R.
,
Nondestructive Examination Acceptance Standards, Technical Basis and Development of Boiler and Pressure Vessel Code, ASME Section XI, Division 1, EPRI NP-1406-SR
,
The Electric Power Research Institute
,
May
1980
.
8.
ASME Boiler and Pressure Vessel Code Section III, Rules for Construction of Nuclear Power Plant Components
,
The American Society of Mechanical Engineers
.
9.
Code Case N-526, Alternative Requirements for Successive Inspections of Class 1 and 2 Vessels, ASME Boiler and Pressure Vessel Code
,
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.
10.
Xu
,
H.
,
Palm
,
N.
and
Udyawar
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A.
, “
Technical Basis for Expansion of ASME BPVC Section XI, KIc Curve Applicability
,”
Proceedings of the ASME 2019 Pressure Vessels and Piping Conference
,
Paper PVP2019-93988
,
July 14-19, 2019
,
San Antonio, Texas, (USA)
11.
Cipolla
,
R. C.
,
Technical Basis for Revised Stress Intensity Factor Equation for Surface Flaws in Section XI, Appendix A
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PVP-Vol. 313-1
,
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,
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.
12.
Cipolla
,
R. C.
and
Lee
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D. R.
,
Technical Basis for Equations for Stress Intensity Factor Coefficients in ASME Section XI Appendix A
,
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,
PVP-Vol. 480
,
ASME PVP Conference
,
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,
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,
13.
Miyazaki
,
K.
,
Iwamatsu
,
F.
,
Nakanishi
,
S.
, and
Shiratori
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M.
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Stress Intensity Factor Solution for Subsurface Flaw Estimated by Influence Function Method
,”
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,
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,
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.
14.
Cipolla
,
R.
and
Lee
,
D.
, “
Stress Intensity Factor Coefficients for Circumferential ID Surface Flaws for Surface Flaws in Cylinders for Appendix A of ASME Section XI
,”
Paper PVP2013-97734
,
Proceedings of the ASME 2013 Pressure Vessels and Piping Conference, PVP2013
,
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,
Paris, France
.
15.
Xu
,
S.
,
Lee
,
D.
,
Scarth
,
D. A.
, and
Cipolla
,
R. C.
, “
Closed-Form Relations for Stress Intensity Factor Influence Coefficients for Axial ID Surface Flaws in Cylinders for Surface Flaws in ASME Section XI Appendix A
,”
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,
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PVP2014
,
Anaheim, California USA
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16.
Lee
,
L. R.
,
Cipolla
,
R. C.
, and
Liu
,
M. C.
, “
Stress Intensity Factor Coefficients For Circumferential OD Surface Flaws in Cylinders for Appendix A of ASME Section XI
,”
Paper PVP2018-84381
,
Proceedings of ASME 2018 Pressure Vessels and Piping Division Conference
,
July 15-20, 2018
,
Prague (Czech Republic)
.
17.
Xu
,
S.
,
Scarth
,
D. A.
, and
Cipolla
,
R. C.
, “
Technical Basis for Proposed Weight Function Method for Calculation of Stress Intensity Factor for Surface Flaws in ASME Section XI Appendix A
,”
Paper PVP2011-57911
,
Proceedings of the ASME 2011 Pressure Vessels and Piping Conference
,
PVP2011
,
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,
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18.
USNRC Regulatory Guide 1.99
,
Radiation Embrittlement of Reactor Vessel Materials, Revision 2
,
The U.S. Nuclear Regulatory Commission
,
May
1988
.
19.
Code Case N-643-2
,
Fatigue Crack Growth Rate Curves for Ferritic Steels in PWR Water Environment, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
20.
Cipolla
,
R. C.
, and
Wichman
,
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,
Technical Basis for Revised Flaw Acceptance Criteria Under IWB-3610 of ASME Section XI, Paper PVP2005-71718
,
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,
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,
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.
21.
Code Case N-654
,
Acceptance Criteria for Flaws in Ferritic Steel Components 4 in. and Greater in Thickness, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
22.
Bloom
,
J. M.
,
Partial Safety Factors (PSF) and Their Impact on ASME Section XI, IWB-3610, PVP-Vol. 407
,
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,
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.
23.
Code of Federal Regulations, Part 10, Appendix G
,
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1
,
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.
24.
Code Case N-694
,
Evaluation Procedure and Acceptance Criteria for PWR Reactor Vessel Upper Head Penetration Nozzles, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
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.
25.
Bamford
,
W.
and
DeBoo
,
G.
,
Background and Technical Basis for the Evaluation of Flaws in PWR Reactor Vessel Head Penetrations Regions
,
Paper No. PVP2004-2709
,
PVP Vol. 480
,
ASME Pressure Vessel and Piping Conference
,
San Diego, California
,
July 25–29, 2004
.
26.
Section XI Task Group for Piping Flaw Evaluation, Evaluation of Flaws in Austenitic Steel Piping
,
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, Vol.
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, No.
352
,
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.
27.
Evaluation of Flaws in Ferritic Piping, EPRI NP-6045
,
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,
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.
28.
Cipolla
,
R. C.
,
Miyazaki
,
K.
, and
Hasegawa
,
K.
, “
Technical Basis for the Extension of Section XI Appendix C Pipe Flaw Evaluation Procedures to Pipe Diameters less than NPS 4
,”
Paper PVP2015-45885, Proceedings of the ASME 2015 Pressure Vessels and Piping Conference
,
July 19–23
,
PVP2015
,
Boston, Massachusetts USA
.
29.
Cipolla
,
R. C.
,
Scarth
,
D. A.
,
Wilkowski
,
G. M.
, and
Zilberstein
,
V. A.
,
Technical Basis for Proposed Revision to Acceptance Criteria for ASME Section XI Pipe Flaw Evaluation
,
PVP Vol. 422
,
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, pp.
31
51
,
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.
30.
Shim
,
D. J.
, et al., “
Technical Basis for Flaw Acceptance Criteria for Cast Austenitic Stainless Steel Piping
,”
Paper PVP2017-66100
,
Proceedings of the ASME 2017 Pressure Vessels and Piping Conference
,
July 16-20, 2017
,
Waikoloa, Hawaii, USA
31.
Code Case N-809
,
Reference Fatigue Crack Growth Rate Curves for Austenitic Stainless Steels in Pressurized Water Reactor Environments, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
32.
Cipolla
,
R. C.
and
Bamford
,
W. H.
, “
Technical Basis for Code Case N-809 on Reference Fatigue Crack Growth Curves for Austenitic Stainless Steels in Pressurized Water Reactor Environments
,”
Paper PVP2015-45884, Proceedings of the ASME 2015 Pressure Vessels and Piping Conference
,
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,
PVP2015
,
Boston, Massachusetts USA
.
33.
Bamford
,
W. H.
,
Cipolla
,
R. C.
,
Udyawar
,
A.
, and
Glunt
,
N. L.
, “
Example Analysis for Environmental Fatigue Crack Growth in Austenitic Stainless Steel Piping Using Code Case N-809
,”
Paper PVP2015-45967, Proceedings of the ASME 2015 Pressure Vessels and Piping Conference
,
July 19–23
,
PVP2015
,
Boston, Massachusetts USA
.
34.
Bamford
,
W.
,
Cipolla
,
R.
,
Rudland
,
D.
, and
DeBoo
,
G.
, “
Technical Basis for Revisions to Section XI Appendix C for Alloy 600/82/182/132 Flaw Evaluation in Both PWR and BWR Environments
,”
Paper PVP2008-61840, Proceedings of the ASME 2008 Pressure Vessels and Piping Conference
,
July 27–31
,
PVP2008
,
Chicago, Illinois USA
.
35.
Ranganath
,
S.
and
Mehta
,
H. S.
,
Engineering Methods for Assessment of Ductile Fracture Margin in Nuclear Power Plant Piping, Elastic–Plastic Fracture: Second Symposium, Volume II Fracture Resistance Curves and Engineering Applications, ASTM STP-803
,
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36.
Sheng
,
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,
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,
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,
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.
37.
Code Case N-494-4
,
Pipe-Specific Evaluation Procedures and Acceptance Criteria for Flaws in Class 1 Ferritic Piping that Exceed the Acceptance Standards of IWB-3514.2 and in Class 1 Austenitic Piping that Exceed the Acceptance Standards of IWB-3514.3, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
38.
Bloom
,
J. M.
,
Evaluation of Flaws in Ferritic Piping – ASME Code Appendix J: Deformation Plasticity Failure Assessment Diagram (DPFAD)
,
EPRI Report NP-7492
,
Electric Power Research Institute
,
Palo Alto, CA
,
August
1991
.
39.
Code Case N-480
,
Examination Requirements for Pipe Wall-Thinning Due to Single-Phase Erosion and Corrosion, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
40.
Code Case N-597-3
,
Evaluation of Pipe Wall Thinning, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
41.
Acceptance Criteria for Structural Evaluation of Erosion-Corrosion Thinning in Carbon Steel Piping
,
EPRI NP-5911SP
,
July
1988
.
42.
Gerber
,
T. L.
,
Deardorff
,
A. F.
,
Norris
,
D. M.
, and
Lucas
,
W. F.
,
Acceptance Criteria for Structural Evaluation of Erosion-Corrosion Thinning in Carbon Steel Piping
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, pp.
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36
,
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43.
Scarth
,
D. A.
,
Davis
,
M.
,
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P.
, and
Xu
,
S. X.
, “
Technical Basis for the Revisions to Code Case N-597-2 on Requirements for Analytical Evaluation of Pipe wall Thinning
,”
Paper PVP2015-45099, Proceedings of the ASME 2015 Pressure Vessels and Piping Conference
,
July 19–23
,
PVP2015
,
Boston, Massachusetts USA
.
44.
ASME/ANSI B31G
,
Manual for Determining the Remaining Strength of Corroded Pipelines
,
The American Society of Mechanical Engineers/The American National Standards Institute
.
45.
Deardorff
,
A.
,
Goyette
,
L.
,
Krishnaswamy
,
P.
, and
Kupinski
,
M.
,
ASME Section XI Evaluation Methods and Acceptance Criteria for Analytical Evaluation of Wall Thinning Due to Flow Accelerated Corrosion (FAC)
,
PVP-Vol. 392
,
ASME Pressure Vessels and Piping Conference
,
Boston, Massachusetts
, pp.
187
206
,
August 1–5, 1999
.
46.
Deardorff
,
A.
,
Randall
,
G.
, and
Chexal
,
B.
,
An Update on the Section XI Approach for Evaluation of Piping Thinning Due to Flow-Accelerated Corrosion
,
PVP-Vol. 264
,
The American Society of Mechanical Engineers
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.
47.
Code Case N-513-3
,
Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Piping, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
, 2015 Edition.
48.
Code Case N-705
,
Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Vessels and Tanks, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
, 2007 Edition.
49.
Cipolla
,
R. C.
and
Cofie
,
N. G.
,
Technical Basis for Temporary Acceptance of Flaws in Moderate Energy Class 2 and 3 Piping as Prescribed in Code Case N-513
,
PVP Vol. 422
,
Proceedings of ASME PVP Conference
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Atlanta, Georgia
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13
22
,
July 2001
.
50.
McGill
,
R.
,
Cipolla
,
R.
,
DeBoo
,
G.
, and
Houston
,
E.
, “
Technical Basis for the proposed Fourth Revision to ASME Code Case N-513
,”
Paper PVP2014-28355, Proceedings of the ASME 2014 Pressure Vessels and Piping Conference, PVP2014
,
July 20–24, 2014
,
Anaheim, California USA
.
51.
McGill
,
R. O.
,
Cofie
,
N. G.
,
Cipolla
,
R. C.
, and
DeBoo
,
G.
,
Technical Basis for Proposed Revisions to ASME Code Case N-513 and Some Applications to Moderate Energy Piping
,”
Paper PVP2006-ICPVT-11-93428, Proceedings of ASME PVP Conference
,
Vancouver, BC, Canada
, pp.
13
22
,
July 23–27, 2006
.
52.
Cimock
,
D.
,
Houston
,
E. J.
,
Cipolla
,
R. C.
, and
McGill
,
R. O.
, “
Technical Basis for the Proposed Fifth Revision to ASME Code Case N-513
,”
Paper PVP2018-84092
,
Proceedings of ASME 2018 Pressure Vessels and Piping Division Conference
,
July 15-20, 2018
,
Prague (Czech Republic).
53.
Strauch
,
P. L.
,
Bamford
,
W. H.
, Jr.
, and
Daftuar
S. K.
,
Technical Basis for Acceptance of Flaws in Moderate Energy Class 2 and 3 Vessels and Tanks
,
Paper PVP2004-2710
,
PVP Vol. 480
,
ASME/JSME PVP Conference
,
San Diego, California
,
July 25–29, 2004
.
54.
PVRC Recommendations on Toughness Requirements for Ferritic Materials
,
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,
August
1972
.
55.
White Paper on Reactor Vessel Integrity Requirements for Level A and B Conditions
,
Welding Research Council Bulletin 387
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December
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56.
International Views on Reactor Pressure Vessel Integrity
,
Welding Research Council Bulletin 386
,
November
1993
.
57.
Case N-629
,
Use of Fracture Toughness Test Data to Establish Reference Temperature for Pressure Retaining Materials, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
, approval date
May
7
,
1999
.
58.
ASTM
,
Standard E 1921-01, Standard Test Method for the Determination of Reference Temperature, T0, for Ferritic Steels in the Transition Range, 2002 Annual Book of ASTM Standards
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03.01
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American Society for Testing and Materials
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59.
NUREG-0744
,
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Volumes 1 and 2
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,
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60.
Merkle
,
J. G.
,
A Summary of the Low Upper-Shelf Toughness Safety Margin Issue
,
PVP Volume 213
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61.
Development of Criteria for Assessment of Reactor Vessels with Low Upper Shelf Fracture Toughness, Part 1: Development of Criteria and Analysis Methods and Part 2: Implementation of Evaluation Procedures in ASME Code Section XI, Welding Research Council Bulletin 413
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62.
Gamble
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63.
Hasegawa
,
K.
,
Miyazaki
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K.
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Scarth
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,
Merkle
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J. G.
, and
Cipolla
,
R. C.
, “
Revision of Proximity Rules for Subsurface Transforming to Surface Flaws for Class 1 Ferritic Vessels
,”
Proceedings of PVP2007/CREEP8, ASME Pressure Vessels and Piping Conference, PVP2007-26189
,
July 22–26, 2007
,
San Antonio, Texas, USA
.
64.
Hasegawa
,
K.
,
Miyazaki
,
K.
, and
Cipolla
,
R. C.
, “
Revision of Proximity Rules for Subsurface Transforming to Surface Flaws for Class 2 Ferritic Vessels
,”
Proceedings of PVP2008, ASME Pressure Vessels and Piping Conference, PVP2008-61705
,
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,
Chicago, Illinois, USA
.
65.
Miyazaki
,
K.
,
Hasegawa
,
K.
,
Miura
,
N.
,
Kashima
,
K.
, and
Scarth
,
D.
, “
Technical Basis of Proposed New Acceptance Standards for Class 1, 2 and 3 Piping
,”
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,
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,
July 22–26, 2007
,
San Antonio, Texas, USA
.
66.
Valéry
Lacroix
,
Mares
,
V
,
Strnadel
,
B.
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Combination Criterion for Multiple Laminar Flaws in Steel Components
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67.
Code Case N-877
,
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,
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,
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.
68.
Lacroix
,
V.
,
Dulieu
,
P.
,
Blasset
,
S.
et al. “
Technical Basis of Code Case N-877
,”
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,
Proceedings of ASME 2018 Pressure Vessels and Piping Division Conference
,
July 15-20, 2018
,
Prague (Czech Republic)
.
69.
Code Case N-749
,
Alternative Acceptance Criteria for Flaws in Ferritic Steel Components Operating in the Upper Shelf Temperature Range, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
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.
70.
Gustin
,
H.
,
Cipolla
,
R. C.
,
Xu
,
S. X.
, and
Scarth
,
D. A.
, “
Alternative Acceptance Criteria for Flaws in Ferritic Steel Components operating on the Upper Shelf Temperature Range
,”
Paper PVP2012-78190, Proceedings of the ASME 2012 Pressure Vessels and Piping Conference, PVP2012
,
July 15–19, 2012
,
Ontario, Canada.
71.
Code Case N-830
,
Direct Use of Master Fracture Toughness Curve for Pressure-Retaining Materials of Class 1 Vessels, Section XI, Division 1, ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
.
72.
Server
,
W.
and
Cipolla
,
R.
, “
Direct Use of the Fracture Toughness Master Curve in ASME Code, Section XI, Applications
,”
Paper PVP2013-97210, Proceedings of the ASME 2013 Pressure Vessels and Piping Conference, PVP2013
,
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,
Paris, France.
73.
Eason
,
E. D.
,
Pathania
,
R.
, “
Disposition Curves for Irradiation-Assisted Stress Corrosion Cracking of Austenitic Stainless Steels in Light Water Reactor Environments
,”
Paper PVP2015-45323
,
Proceedings of the ASME 2015 Pressure Vessels & Piping Conference
,
July 19-23, 2015
,
Boston, Massachusetts, USA
74.
Hojo
,
K.
, and
Xu
,
S.
, “
Revision to Stress Intensity Factor Equations for ASME Section XI Appendix C-4000, Determination of Failure Mode
,”
Paper PVP2018-85051
,
Proceedings of ASME 2018 Pressure Vessels and Piping Division Conference
,
July 2018
,
Prague (Czech Republic)
.
75.
Broussard
,
J. E.
, “
Standardized Through-Wall Distributions of Dissimilar Metal Weld Residual Stress
”,
Paper PVP2015-45950
,
Proceedings of ASME 2015 Pressure Vessels and Piping Division Conference
,
July 19-23, 2015
,
Boston, Massachusetts USA
.
76.
McGill
,
R. O.
,
Janowiak
,
R. J.
,
Houston
,
E. J.
,
Shim
,
D. J.
, “
Technical Basis for Proposed ASME Code Case Based on N-513 for Higher Pressure Applications,
Paper PVP2017-65309
,
Proceedings of the ASME 2017 Pressure Vessels and Piping Conference
,
July 16-20, 2017
,
Waikoloa, Hawaii, USA
77.
Kirk
,
M.
,
Hein
,
R. H.
,
Erickson
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July 20–24, 2014
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Assessment of Fracture Toughness Models for Ferritic Steels Used in Section XI of the ASME Code Relative to Current Data-Based Models
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Paper PVP2014-28540, Proceedings of the ASME 2014 Pressure Vessels and Piping Conference, PVP2014
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July 20–24, 2014
,
Anaheim, California USA.
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