ASME BPVCode III 2015 d1 NB class 1 components

R ules for Construction of Nuclear Facility Components 2015 ASME Boiler and Pressure Vessel Code An International Code Div ision — Su bs e c t i o n N B Class Comp on en ts This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom SECTION III Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) ASME B PVC.III.1 NB -2015 No fu 2015 ASME Boiler & Pressure Vessel Code 2015 Edition July 1, 2015 III Division - Subsection NB Class Components ASME Boiler and Pressure Vessel Committee on Nuclear Power Two Park Avenue • New York, NY • 10016 USA This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom RULES FOR CONSTRUCTION OF NUCLEAR FACILITY COMPONENTS Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) AN INTERNATIONAL CODE No fu This international code or standard was developed under procedures accredited as meeting the criteria for American National Standards and it is an American National Standard The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals The endnotes and preamble in this document (if any) are part of this American National Standard ASME collective membership mark Certification Mark “ASME” is the trademark of The American Society of Mechanical Engineers No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher Library of Congress Catalog Card Number: 56-3934 Printed in the United States of America Adopted by the Council of The American Society of Mechanical Engineers, 1914; latest edition 2015 The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990 Copyright © 2015 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom The above ASME symbol is registered in the U.S Patent Office Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) Date of Issuance: July 1, 2015 No fu List of Sections Foreword Statement of Policy on the Use of the Certification Mark and Code Authorization in Advertising Statement of Policy on the Use of ASME Marking to Identify Manufactured Items Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees Personnel Organization of Section III Summary of Changes List of Changes in Record Number Order Cross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code x xii xiv xiv xv xvii xxxiv xxxvii xl xli 1 1 Introduction Scope Aspects of Construction Covered by These Rules Temperature Limits Boundaries of Jurisdiction Applicable to This Subsection Electrical and Mechanical Penetration Assemblies Article NB-2000 NB-2100 NB-2110 NB-2120 NB-2130 NB-2140 NB-2150 NB-2160 NB-2170 NB-2180 NB-2190 NB-2200 NB-2210 NB-2220 Material General Requirements for Material Scope of Principal Terms Employed Pressure-Retaining Material Certification of Material Welding Material Material Identification Deterioration of Material in Service Heat Treatment to Enhance Impact Properties Procedures for Heat Treatment of Material Nonpressure-Retaining Material Material Test Coupons and Specimens for Ferritic Steel Material Heat Treatment Requirements Procedure for Obtaining Test Coupons and Specimens for Quenched and Tempered Material Fracture Toughness Requirements for Material Material to Be Impact Tested Impact Test Procedures Test Requirements and Acceptance Standards Number of Impact Tests Required Retests Calibration of Instruments and Equipment Welding Material General Requirements Required Tests Weld Metal Tests Storage and Handling of Welding Material Examination and Repair of Pressure-Retaining Material Examination of Pressure-Retaining Material Examination After Quenching and Tempering Examination and Repair of Plate Examination and Repair of Forgings and Bars NB-2300 NB-2310 NB-2320 NB-2330 NB-2340 NB-2350 NB-2360 NB-2400 NB-2410 NB-2420 NB-2430 NB-2440 NB-2500 NB-2510 NB-2520 NB-2530 NB-2540 iii 7 7 9 9 9 10 10 10 10 12 12 13 13 14 15 15 16 16 16 17 20 20 20 21 21 22 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom Article NB-1000 NB-1100 NB-1110 NB-1120 NB-1130 NB-1140 Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) TABLE OF CONTENTS No fu Article NB-3000 NB-3100 NB-3110 NB-3120 NB-3130 NB-3200 NB-3210 NB-3220 NB-3230 NB-3300 NB-3310 NB-3320 NB-3330 NB-3340 NB-3350 NB-3360 NB-3400 NB-3410 NB-3420 NB-3430 NB-3440 NB-3500 NB-3510 NB-3520 NB-3530 NB-3540 NB-3550 NB-3560 NB-3590 NB-3600 NB-3610 NB-3620 NB-3630 NB-3640 NB-3650 NB-3660 NB-3670 NB-3680 NB-3690 Design General Design Loading Criteria Special Considerations General Design Rules Design by Analysis Design Criteria Stress Limits for Other Than Bolts Stress Limits for Bolts Vessel Design General Requirements Design Considerations Openings and Reinforcement Analysis of Vessels Design of Welded Construction Special Vessel Requirements Pump Design General Requirements for Centrifugal Pumps Definitions Design Requirements for Centrifugal Pumps Design of Specific Pump Types Valve Design Acceptability Design Considerations General Rules Design of Pressure-Retaining Parts Cyclic Loading Requirements Design Reports Pressure Relief Valve Design Piping Design General Requirements Design Considerations Piping Design and Analysis Criteria Pressure Design Analysis of Piping Products Design of Welds Special Piping Requirements Stress Indices and Flexibility Factors Dimensional Requirements for Piping Products 36 36 36 36 37 41 41 47 63 64 64 64 65 72 73 76 76 76 77 78 79 81 81 83 83 86 99 100 100 104 104 106 108 109 117 124 124 126 139 Article NB-4000 NB-4100 NB-4110 NB-4120 NB-4130 NB-4200 NB-4210 NB-4220 Fabrication and Installation General Requirements Introduction Certification of Materials and Fabrication by Certificate Holder Repair of Material Forming, Fitting, and Aligning Cutting, Forming, and Bending Forming Tolerances 140 140 140 140 141 141 141 142 iv 24 27 28 34 35 35 35 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom NB-2560 NB-2570 NB-2580 NB-2600 NB-2610 NB-2700 Examination and Repair of Seamless and Welded (Without Filler Metal) Tubular Products and Fittings Examination and Repair of Tubular Products and Fittings Welded With Filler Metal Examination and Repair of Statically and Centrifugally Cast Products Examination of Bolts, Studs, and Nuts Material Organizations’ Quality System Programs Documentation and Maintenance of Quality System Programs Dimensional Standards Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) NB-2550 No fu Article NB-5000 NB-5100 NB-5110 NB-5120 NB-5130 NB-5140 NB-5200 NB-5210 NB-5220 Examination General Requirements for Examination Methods, Nondestructive Examination Procedures, and Cleaning Time of Examination of Welds and Weld Metal Cladding Examination of Weld Edge Preparation Surfaces Examination of Welds and Adjacent Base Material Required Examination of Welds for Fabrication and Preservice Baseline Category A Vessel Welded Joints and Longitudinal Welded Joints in Other Components Category B Vessel Welded Joints and Circumferential Welded Joints in Piping, Pumps, and Valves Category C Vessel Welded Joints and Similar Welded Joints in Other Components Category D Vessel Welded Joints and Branch and Piping Connections in Other Components Weld Metal Buildups to Form Nozzles, Branch and Piping Connections and for Closure Opening Reinforcement Fillet, Partial Penetration, Socket, and Attachment Welded Joints Special Welded Joints Preservice Examination Acceptance Standards Radiographic Acceptance Standards Ultrasonic Acceptance Standards Magnetic Particle Acceptance Standards Liquid Penetrant Acceptance Standards Eddy Current Preservice Examination of Installed Nonferromagnetic Steam Generator Heat Exchanger Tubing Visual Acceptance Standards for Brazed Joints NB-5230 NB-5240 NB-5250 NB-5260 NB-5270 NB-5280 NB-5300 NB-5320 NB-5330 NB-5340 NB-5350 NB-5360 NB-5370 v 145 147 148 148 148 152 155 161 161 162 162 163 164 167 167 167 167 169 170 170 170 170 170 178 178 178 178 178 178 178 179 179 179 179 180 181 181 181 181 181 181 182 182 182 183 183 183 184 184 184 185 185 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom Fitting and Aligning Requirements for Weld Joints in Components Welding End Transitions — Maximum Envelope Welding Qualifications General Requirements Welding Qualifications, Records, and Identifying Stamps General Requirements for Welding Procedure Qualification Tests Special Qualification Requirements for Tube-to-Tubesheet Welds Qualification Requirements for Welding Specially Designed Welded Seals Rules Governing Making, Examining, and Repairing Welds Precautions to Be Taken Before Welding Rules for Making Welded Joints Welding of Attachments Welding of Appurtenances Repair of Weld Metal Defects Brazing Rules for Brazing Brazing Qualification Requirements Fitting and Aligning of Parts to Be Brazed Examination of Brazed Joints Heat Treatment Welding Preheat Requirements Postweld Heat Treatment Heat Treatment of Welds Other Than the Final Postweld Heat Treatment Heat Treatment After Bending or Forming for Pipes, Pumps, and Valves Heat Treatment of Electroslag Welds Mechanical Joints Bolting and Threading Bolting Flanged Joints Electrical and Mechanical Penetration Assemblies Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) NB-4230 NB-4240 NB-4250 NB-4300 NB-4310 NB-4320 NB-4330 NB-4350 NB-4360 NB-4400 NB-4410 NB-4420 NB-4430 NB-4440 NB-4450 NB-4500 NB-4510 NB-4520 NB-4530 NB-4540 NB-4600 NB-4610 NB-4620 NB-4630 NB-4650 NB-4660 NB-4700 NB-4710 NB-4720 NB-4730 No fu Article NB-6000 NB-6100 NB-6110 NB-6120 NB-6200 NB-6210 NB-6220 NB-6300 NB-6310 NB-6320 NB-6400 NB-6410 NB-6600 NB-6610 NB-6620 Testing General Requirements Pressure Testing of Components, Appurtenances, and Systems Preparation for Testing Hydrostatic Tests Hydrostatic Test Procedure Hydrostatic Test Pressure Requirements Pneumatic Tests Pneumatic Testing Procedures Pneumatic Test Pressure Requirements Pressure Test Gages Special Test Pressure Situations Components Designed for External Pressure Pressure Testing of Combination Units Article NB-7000 NB-7100 NB-7110 NB-7120 NB-7130 NB-7140 NB-7150 NB-7160 NB-7170 NB-7200 NB-7210 NB-7220 NB-7230 NB-7240 NB-7250 NB-7300 NB-7310 NB-7320 NB-7400 NB-7410 NB-7420 NB-7500 NB-7510 NB-7520 NB-7530 NB-7540 NB-7550 NB-7600 NB-7610 NB-7620 NB-7700 NB-7710 185 185 185 185 185 185 186 187 187 187 188 188 188 188 189 189 189 189 189 190 190 190 Overpressure Protection General Requirements Scope Integrated Overpressure Protection Verification of the Operation of Reclosing Pressure Relief Devices Installation Acceptable Pressure Relief Devices Unacceptable Pressure Relief Devices Permitted Use of Pressure Relief Devices Overpressure Protection Report Responsibility for Report Content of Report Certification of Report Review of Report After Installation Filing of Report Relieving Capacity Expected System Pressure Transient Conditions Unexpected System Excess Pressure Transient Conditions Set Pressures of Pressure Relief Devices Set Pressure Limitations for Expected System Pressure Transient Conditions Set Pressure Limitation for Unexpected System Excess Pressure Transient Conditions Operating and Design Requirements for Pressure Relief Valves Safety, Safety Relief, and Relief Valves Pilot Operated Pressure Relief Valves Power-Actuated Pressure Relief Valves Safety Valves and Pilot Operated Pressure Relief Valves With Auxiliary Actuating Devices Alternative Test Media Nonreclosing Pressure Relief Devices Rupture Disk Devices Installation Certification Responsibility for Certification of Pressure Relief Valves 191 191 191 191 191 191 192 192 192 193 193 193 193 193 194 194 194 194 194 194 195 195 195 196 197 vi 197 198 199 199 199 200 200 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom Bubble Formation Testing Final Examination of Vessels Examination After Hydrostatic Test Qualifications and Certification of Nondestructive Examination Personnel General Requirements Personnel Qualification, Certification, and Verification Records Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) NB-5380 NB-5400 NB-5410 NB-5500 NB-5510 NB-5520 NB-5530 No fu Responsibility for Certification of Nonreclosing Pressure Relief Devices Capacity Certification Pressure Relief Valves — Compressible Fluids Capacity Certification of Pressure Relief Valves — Incompressible Fluids Marking, Stamping With Certification Mark, and Data Reports Pressure Relief Valves Rupture Disk Devices Certificate of Authorization to Use Certification Mark 200 200 203 205 205 205 206 Article NB-8000 NB-8100 Nameplates, Stamping With Certification Mark, and Reports General Requirements 207 207 FIGURES NB-1132.2-1 NB-1132.2-2 NB-1132.2-3 NB-1132.2-4 Attachments in the Component Support Load Path That Do Not Perform a Pressure-Retaining Function Attachments That Do Not Perform a Pressure-Retaining Function and Are Not in the Component Support Load Path (Nonstructural Attachments) Attachments That Perform a Pressure-Retaining Function Attachments Within the Reactor Pressure Vessel (Core Support Structures) That Do Not Perform a Pressure-Retaining Function Weld Metal Delta Ferrite Content Axial Propagation of Sound in Tube Wall Typical Pressure-Retaining Parts of Pumps and Valves Example of Acceptable Local Primary Membrane Stress Due to Pressure Examples of Reversing and Nonreversing Dynamic Loads Stress Categories and Limits of Stress Intensity for Design Conditions Stress Categories and Limits of Stress Intensity for Level A and Level B Service Limits Stress Categories and Limits of Stress Intensity for Level C Service Limits Local Thin Area in a Cylindrical Shell Chart for Determining Value of F Direction of Stress Components Nozzle Dimensions Examples of Acceptable Transition Details Limits of Reinforcing Zone Welded Joint Locations Typical of Categories A, B, C, and D Typical Butt Joints Category A and B Joints Between Sections of Unequal Thickness Typical Single Volute Casing Typical Double Volute Casing Minimum Tangential Inlet and Outlet Wall Thickness Type A Pump Type A Pump Type B Pump Type C Pump Type C Pump Type D Pump Type E Pump Type F Pump Fillets and Corners Ring Grooves Lugs and Protuberances Flat Wall Limitation Pressure Area Method Critical Sections of Valve Bodies Model for Determining Secondary Stress in Valve Crotch Region Thermal Stress Index Versus Thickness Continuity Run or Branch Secondary Stress Index Versus Thickness Discontinuity Run or Branch C Versus T e /t e vii 20 25 32 43 46 51 53 58 62 66 68 69 71 72 74 75 76 77 78 78 79 79 79 80 80 81 81 81 87 87 88 89 90 93 95 96 97 98 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom NB-2433.1-1 NB-2552-1 NB-2575.2-1 NB-3213.10-1 NB-3213-1 NB-3221-1 NB-3222-1 NB-3224-1 NB-3227.8-1 NB-3332.2-1 NB-3338.2(a)-1 NB-3338.2(a)-2 NB-3339.1(b)-1 NB-3339.4-1 NB-3351-1 NB-3352-1 NB-3361-1 NB-3423-1 NB-3423-2 NB-3433.4-1 NB-3441.1-1 NB-3441.1-2 NB-3441.2-1 NB-3441.3-1 NB-3441.3-2 NB-3441.4(a)-1 NB-3441.5-1 NB-3441.6(a)-1 NB-3544.1(a)-1 NB-3544.1(c)-1 NB-3544.3-1 NB-3544.7-1 NB-3545.1(a)-1 NB-3545.2(a)-1 NB-3545.2(c)-1 NB-3545.2(c)-3 NB-3545.2(c)-4 NB-3545.2(c)-5 Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) NB-7720 NB-7730 NB-7740 NB-7800 NB-7810 NB-7820 NB-7830 No fu NB-4250-1 NB-4250-2 NB-4250-3 NB-4427-1 NB-4433-1 NB-4440-1 NB-4511-1 NB-4622.9(d)(1)-1 TABLES NB-2332(a)-1 NB-2333-1 NB-2432.1-1 NB-2432.2(a)-1 NB-2432.2(a)-2 NB-2571-1 NB-3217-1 NB-3217-2 NB-3228.5(b)-1 NB-3338.2(c)-1 NB-3339.3-1 Required Cv Values for Piping, Pumps, and Valves Required Cv Values for Bolting Material Sampling of Welding Materials for Chemical Analysis Chemical Analysis for Reactor Vessel Welding Material Chemical Analysis for Welding Material for Other Than Reactor Vessel Welds Required Examinations Classification of Stress Intensity in Vessels for Some Typical Cases Classification of Stress Intensity in Piping, Typical Cases Values of m , n , and T m a x for Various Classes of Permitted Materials Stress Indices for Nozzles Required Minimum Reinforcing Area, A r viii 98 101 102 104 107 112 113 114 115 117 120 129 130 133 135 138 138 138 139 139 143 143 144 146 148 149 150 151 152 153 154 155 156 157 158 158 165 166 168 169 177 14 15 18 19 19 29 48 50 63 70 71 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom NB-4243-1 NB-4244(a)-1 NB-4244(b)-1 NB-4244(c)-1 NB-4244(d)-1 NB-4244(d)-2 NB-4244(e)-1 NB-4246(a)-1 NB-4246(b)-1 Stress Index for Thermal Fatigue Typical Pressure Relief Devices Typical Pressure Relief and Safety Relief Devices Valve Nozzle Examples of Reversing and Nonreversing Dynamic Loads Branch Connection Nomenclature Typical Reinforcement of Openings Typical Reinforced Extruded Outlet Miter Joint Geometry Types of Permanent Blanks Decomposition of Temperature Distribution Range Direction of Stress Components Elbow Nomenclature Branch Connections in Straight Pipe Reducers Maximum Difference in Cross-Sectional Diameters Maximum Permissible Deviation e From a True Circular Form Maximum Arc Length for Determining Plus or Minus Deviation Butt Weld Alignment and Mismatch Tolerances for Unequal I.D and O.D When Components Are Welded From One Side and Fairing Is Not Performed Acceptable Full Penetration Weld Details for Category C Joints (NB-3352.3) Nozzles Joined by Full Penetration Butt Welds Nozzles Joined by Full Penetration Corner Welds Deposited Weld Metal Used as Reinforcement of Openings for Nozzles Partial Penetration Nozzles Partial Penetration Nozzle for Coaxial Cylinders Oblique Connections Typical Piping Branch Connections Joined by Full Penetration Welds Typical Piping Branch Connections Joined by a Fillet Weld or a Partial Penetration Weld Welding End Transitions — Maximum Envelope Component to Pipe Weld Pipe to Pipe Weld Fillet and Socket Weld Details and Dimensions Types of Attachment Welds Appurtenance Weld Joint Details Size NPS (DN 50) and Smaller Brazed Connections for Appurtenances and Piping, NPS (DN 25) and Less Dissimilar Metal Repair Cavity Measurement Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) NB-3545.2(c)-6 NB-3591.1-1 NB-3591.1-2 NB-3594.3-1 NB-3622-1 NB-3643.3(a)-1 NB-3643.3(a)-2 NB-3643.3(a)-3 NB-3644(b)-1 NB-3647.2-1 NB-3653.2(b)-1 NB-3683.1(c)-1 NB-3683.1(d)-1 NB-3683.6-1 NB-3684-1 NB-3685.2-1 NB-3686.1-1 NB-3686.2-1 NB-3686.5-1 NB-3686.6-1 NB-4221.1-1 NB-4221.2(a)-1 NB-4221.2(a)-2 NB-4233(a)-1 No fu ENDNOTES Stress Indices for Internal Pressure Loading Values of A Bend Radius Versus Thickness Stress Indices for Use With Equations in NB-3650 Curved Pipe or Welding End Elbows, Internal Pressure Curved Pipe or Welding End Elbows, Moment Loading ( ) Maximum Allowable Offset in Final Welded Joints Maximum Design Temperatures for Brazing Filler Metal Mandatory Requirements for Postweld Heat Treatment of Welds Alternative Holding Temperatures and Times Exemptions to Mandatory PWHT Thickness, IQI Designations, Essential Holes, and Wire Diameters 73 109 110 127 136 137 145 170 172 173 174 180 209 This copy downloaded on 2015-07-13 07:08:51 -0500 by authorized user logan ahlstrom ix Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc (www.techstreet.com) NB-3339.7(c)-1 NB-3641.1(a)-1 NB-3642.1(b)-1 NB-3681(a)-1 NB-3685.1-1 NB-3685.1-2 NB-4232-1 NB-4524-1 NB-4622.1-1 NB-4622.4(c)-1 NB-4622.7(b)-1 NB-5111-1 No fu ... 14 5 14 7 14 8 14 8 14 8 15 2 15 5 16 1 16 1 16 2 16 2 16 3 16 4 16 7 16 7 16 7 16 7 16 9 17 0 17 0 17 0 17 0 17 0 17 8 17 8 17 8 17 8 17 8 17 8 17 8 17 9 17 9 17 9 17 9 18 0 18 1 18 1 18 1 18 1 18 1 18 1 18 2 18 2 18 2 18 3 18 3 18 3 18 4... 98 10 1 10 2 10 4 10 7 11 2 11 3 11 4 11 5 11 7 12 0 12 9 13 0 13 3 13 5 13 8 13 8 13 8 13 9 13 9 14 3 14 3 14 4 14 6 14 8 14 9 15 0 15 1 15 2 15 3 15 4 15 5 15 6 15 7 15 8 15 8 16 5 16 6 16 8 16 9 17 7 14 15 18 19 19 29 48 50... NB- 3423 -1 NB- 3423-2 NB- 3433.4 -1 NB- 34 41. 1 -1 NB- 34 41. 1-2 NB- 34 41. 2 -1 NB- 34 41. 3 -1 NB- 34 41. 3-2 NB- 34 41. 4(a) -1 NB- 34 41. 5 -1 NB- 34 41. 6(a) -1 NB- 3544 .1( a) -1 NB- 3544 .1( c) -1 NB- 3544.3 -1 NB- 3544.7 -1 NB- 3545 .1( a)-1