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ASME BPVC.CC.NC.S1-2025 - 2023 ASME BPVC Code Cases: Nuclear Components, Supplement 1, 2025
- SUMMARY OF CHANGES
- NUMERIC INDEX
- SUBJECT INDEX
- Applicability Index for Section XI Cases
- Case N-62-7
- Case N-792-2 [Go to Page]
- -1000 Introduction [Go to Page]
- -1100 Scope
- -1200 Nomenclature
- -2000 Environmental Fatigue Correction Evaluation [Go to Page]
- -2100 Scope [Go to Page]
- -2110 Environmental Factor Definition
- -2120 Evaluation Procedures
- Figure -2100-1 Design Fatigue Curve for Carbon and Low Alloy Steels With UTS ≤ 80 ksi and Metal Temperatures Not Exceeding 700 °F
- Figure -2100-1M Design Fatigue Curve for Carbon and Low Alloy Steels With UTS ≤ 552 MPa and Metal Temperatures Not Exceeding 370 °C
- Figure -2100-2 Design Fatigue Curve for Austenitic Steels and Nickel-Chromium-Iron Alloy for Temperatures Not Exceeding 800°F
- Figure -2100-2M Design Fatigue Curve for Austenitic Steels and Nickel-Chromium-Iron Alloy for Temperatures Not Exceeding 425°C
- -2200 Consideration of Strain Rate Due to Dynamic Loads
- -2300 Environmental Factor Evaluation
- -2400 Evaluation Procedure for Design by Analysis [Go to Page]
- -2410 Determination of Transformed Strain Rate
- -2420 Determination of Transformed Temperature
- Table -2100-1 Tabulated Values of Sa, ksi (MPa), for Figures -2100-1 and -2100-1M
- Table -2100-2 Tabulated Values of Sa, ksi (MPa), for Figures -2100-2 and -2100-2M
- -2430 Determination of Transformed DO
- -2440 Determination of Transformed Sulfur
- -2450 Determination of Fen,i
- -2460 Alternate Determination of Fen,i Based on More Detailed Strain Rate Approach
- -2500 Evaluation Procedure for Piping [Go to Page]
- -2510 Determination of Strain Rate
- -2520 Determination of Transformed Temperatures
- -2530 Determination of Transformed DO
- -2540 Determination of Transformed Sulfur
- -2550 Determination of Fen,i
- -2560 Alternate Determination of Fen,i Based on More Detailed Strain Rate Approach
- -2600 More Detailed Strain Rate Approach
- -3000 Records and Reports [Go to Page]
- -3100 Scope
- -3200 Evaluation Records and Reports
- Case N-850
- Case N-883-1
- Case N-885-2 [Go to Page]
- -3520 Standards for Examination Category B-N, Interior Welded Attachments to Reactor Vessels and Segments of Core Support Structures Having a Safety Function [Go to Page]
- -3520.1 Visual Examination, VT-1.
- -3520.2 Visual Examination, VT-3. [Go to Page]
- Table 1 Examination Category B-N, Interior Welded Attachments to Reactor Vessels and Segments of Core Support Structures Having a Safety Function
- Case N-931-1 [Go to Page]
- -1000 Scope [Go to Page]
- -1100 Item Applicability
- -1200 SSIPs
- -1300 Examinations Sequence
- -2000 SSIP Performance Criteria [Go to Page]
- -2100 Coverage, Depth, and Stress Criteria [Go to Page]
- -2110 Item Weld Material Susceptible to SCC
- -2120 Vessel Penetrations, with Partial-Penetration Welds, Susceptible to SCC
- -2130 Item Base Material or Heat Affected Zones Susceptible to SCC
- -2140 Nominal Depth of Compressive Residual Stress
- -3000 Mitigation Effects Sustainability Criteria
- -4000 Examination Capability Criteria [Go to Page]
- -4100 Volumetric Examination Qualification Criteria
- -4200 Surface and Eddy Current Examination Qualification Criteria
- -4300 Visual Examination Qualification Criteria
- -5000 Adverse Effects Criteria [Go to Page]
- -5100 Geometry Effects Criteria
- -5200 Surface Effects Criteria
- -6000 Inspectability Criteria
- -7000 Documentation
- Case N-949 [Go to Page]
- 1 DEFINITIONS [Go to Page]
- Figure 1 Integrated Pressurized Water Reactor
- 2 APPLICABILITY OF REACTOR VESSEL INSPECTION REQUIREMENTS
- 3 APPLICABILITY OF INSPECTION REQUIREMENTS FOR ITEMS OTHER THAN REACTOR VESSELS [Go to Page]
- 3.1 Vessels That Function as a Steam Generator.
- 3.2 Vessels That Function as a Pressurizer.
- 3.3 Items Other Than Vessels.
- 4 PRESERVICE INSPECTION
- Case N-950 [Go to Page]
- -1000 INTRODUCTION [Go to Page]
- -1100 General [Go to Page]
- Figure -1100-1 Evaluation Flowchart
- -1200 Limiting Value of Strain Rate
- -1300 Nomenclature
- -2000 PROCEDURE TO DETERMINE STRAIN RATE FOR PIPING [Go to Page]
- -2100 Stress Range Term Calculation
- - 2200 Strain Rate Calculation
- -2300 Applying Strain Rate to Environmental Fatigue Curve Method
- -2400 Applying Strain Rate to Environmental Fatigue Correction Factor, Fen, Method [Go to Page]
- -2410 Applying Strain Rate to Simplified Method for Fen Calculation [Go to Page]
- Figure -2410-1 Strain Rate Calculation for Simplified Method
- -2420 Applying Strain Rate to Modified Rate Approach for Fen Calculation [Go to Page]
- Figure -2420-1 Strain Rate Calculation for Modified Rate Approach
- Case N-951 [Go to Page]
- 1 SCOPE
- 2 APPLICABILITY
- 3 NONEXCEEDANCE OVERPRESSURE EVENT [Go to Page]
- 3.1 Definition of Nonexceedance Event
- 3.2 Actions for a Nonexceedance Event
- 4 EXCEEDANCE OVERPRESSURE EVENT [Go to Page]
- 4.1 Definition of an Exceedance Event
- 4.2 Actions for an Exceedance Event [Go to Page]
- 4.2.1 Inspection of Piping Components.
- 4.2.2 Inspection and Testing of Active Components [Go to Page]
