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ASME B31 3-2016 Process Piping (Includes Interpretation 25)《加工管线》.pdf

1、Process PipingASME Code for Pressure Piping, B31AN INTERNATIONAL PIPING CODEASME B31.3-2016(Revision of ASME B31.3-2014)ASME B31.3-2016(Revision of ASME B31.3-2014)Process PipingASME Code for Pressure Piping, B31AN INTERNATIONAL PIPING CODETwo Park Avenue New York, NY 10016 USADate of Issuance: Janu

2、ary 31, 2017The next edition of this Code is scheduled for publication in 2018. This Code will become effective6 months after the Date of Issuance.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Code.Interpretations, Code Cases, and errata are publish

3、ed on the ASME Web site under the CommitteePages at http:/cstools.asme.org/ as they are issued. Interpretations and Code Cases are also includedwith each edition.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published

4、items, or to correct typographical or grammatical errorsin codes and standards. Such errata shall be used on the date posted.The Committee Pages can be found at http:/cstools.asme.org/. There is an option available toautomatically receive an e-mail notification when errata are posted to a particular

5、 code or standard.This option can be found on the appropriate Committee Page after selecting “Errata” in the “PublicationInformation” section.ASME is the registered trademark of The American Society of Mechanical Engineers.This international code or standard was developed under procedures accredited

6、 as meeting the criteria for AmericanNational Standards and it is an American National Standard. The Standards Committee that approved the code orstandard was balanced to assure that individuals from competent and concerned interests have had an opportunity toparticipate. The proposed code or standa

7、rd was made available for public review and comment that provides anopportunity 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 a

8、ny position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assume any such liability. Users of a co

9、de or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovern

10、ment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be repr

11、oduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2017 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A

12、.CONTENTSForeword xiiCommittee Roster . xivIntroduction . xviiiSummary of Changes xxChapter I Scope and Definitions . 1300 General Statements 1Chapter II Design . 11Part 1 Conditions and Criteria . 11301 Design Conditions . 11302 Design Criteria 13Part 2 Pressure Design of Piping Components 21303 Ge

13、neral 21304 Pressure Design of Components 21Part 3 Fluid Service Requirements for Piping Components . 31305 Pipe . 31306 Fittings, Bends, Miters, Laps, and Branch Connections 31307 Valves and Specialty Components 33308 Flanges, Blanks, Flange Facings, and Gaskets . 33309 Bolting 34Part 4 Fluid Servi

14、ce Requirements for Piping Joints . 34310 General 34311 Welded Joints 34312 Flanged Joints . 35313 Expanded Joints . 35314 Threaded Joints 35315 Tubing Joints 36316 Caulked Joints . 36317 Soldered and Brazed Joints . 36318 Special Joints 37Part 5 Flexibility and Support 37319 Piping Flexibility 3732

15、0 Analysis of Sustained Loads . 42321 Piping Support 43Part 6 Systems . 45322 Specific Piping Systems 45Chapter III Materials . 47323 General Requirements 47325 Materials Miscellaneous . 58Chapter IV Standards for Piping Components 59326 Dimensions and Ratings of Components 59Chapter V Fabrication,

16、Assembly, and Erection 63327 General 63328 Welding and Brazing 63330 Preheating . 70331 Heat Treatment 72332 Bending and Forming 77iii333 Brazing and Soldering . 77335 Assembly and Erection . 78Chapter VI Inspection, Examination, and Testing . 80340 Inspection . 80341 Examination . 80342 Examination

17、 Personnel . 87343 Examination Procedures 87344 Types of Examination 87345 Testing 89346 Records . 92Chapter VII Nonmetallic Piping and Piping Lined With Nonmetals 94A300 General Statements 94Part 1 Conditions and Criteria . 94A301 Design Conditions . 94A302 Design Criteria 94Part 2 Pressure Design

18、of Piping Components 96A303 General 96A304 Pressure Design of Piping Components . 96Part 3 Fluid Service Requirements for Piping Components . 97A305 Pipe . 97A306 Fittings, Bends, Miters, Laps, and Branch Connections 97A307 Valves and Specialty Components 98A308 Flanges, Blanks, Flange Facings, and

19、Gaskets . 98A309 Bolting 98Part 4 Fluid Service Requirements for Piping Joints . 98A310 General 98A311 Bonded Joints in Plastics . 98A312 Flanged Joints . 99A313 Expanded Joints . 99A314 Threaded Joints 99A315 Tubing Joints 99A316 Caulked Joints . 99A318 Special Joints 99Part 5 Flexibility and Suppo

20、rt 100A319 Flexibility of Nonmetallic Piping . 100A321 Piping Support 101Part 6 Systems . 102A322 Specific Piping Systems 102Part 7 Materials 102A323 General Requirements 102A325 Materials Miscellaneous . 103Part 8 Standards for Piping Components . 103A326 Dimensions and Ratings of Components 103Par

21、t 9 Fabrication, Assembly, and Erection . 104A327 General 104A328 Bonding of Plastics 104A329 Fabrication of Piping Lined With Nonmetals 110A332 Bending and Forming 110A334 Joining Nonplastic Piping 110A335 Assembly and Erection . 111Part 10 Inspection, Examination, and Testing 111A340 Inspection .

22、111A341 Examination . 112A342 Examination Personnel . 112ivA343 Examination Procedures 113A344 Types of Examination 113A345 Testing 113A346 Records . 113Chapter VIII Piping for Category M Fluid Service 114M300 General Statements 114Part 1 Conditions and Criteria . 114M301 Design Conditions . 114M302

23、 Design Criteria 114Part 2 Pressure Design of Metallic Piping Components 114M303 General 114M304 Pressure Design of Metallic Components . 114Part 3 Fluid Service Requirements for Metallic Piping Components . 114M305 Pipe . 114M306 Metallic Fittings, Bends, Miters, Laps, and Branch Connections 114M30

24、7 Metallic Valves and Specialty Components . 115M308 Flanges, Blanks, Flange Facings, and Gaskets . 115M309 Bolting 116Part 4 Fluid Service Requirements for Metallic Piping Joints . 116M310 Metallic Piping, General . 116M311 Welded Joints in Metallic Piping . 116M312 Flanged Joints in Metallic Pipin

25、g . 116M313 Expanded Joints in Metallic Piping . 116M314 Threaded Joints in Metallic Piping 116M315 Tubing Joints in Metallic Piping 116M316 Caulked Joints . 116M317 Soldered and Brazed Joints . 116M318 Special Joints in Metallic Piping 116Part 5 Flexibility and Support of Metallic Piping 116M319 Fl

26、exibility of Metallic Piping . 116M320 Analysis of Sustained Loads . 116M321 Piping Support 116Part 6 Systems . 116M322 Specific Piping Systems 116Part 7 Metallic Materials 117M323 General Requirements 117M325 Materials Miscellaneous . 117Part 8 Standards for Piping Components . 117M326 Dimensions a

27、nd Ratings of Components 117Part 9 Fabrication, Assembly, and Erection of Metallic Piping 117M327 General 117M328 Welding of Metals . 117M330 Preheating of Metals . 118M331 Heat Treatment of Metals 118M332 Bending and Forming of Metals 118M335 Assembly and Erection of Metallic Piping 118Part 10 Insp

28、ection, Examination, Testing, and Records of Metallic Piping 118M340 Inspection . 118M341 Examination . 118M342 Examination Personnel . 118M343 Examination Procedures 118M344 Types of Examination 118M345 Testing 118M346 Records . 118vParts 11 Through 20, Corresponding to Chapter VII . 118MA300 Gener

29、al Statements 119Part 11 Conditions and Criteria . 119MA301 Design Conditions . 119MA302 Design Criteria 119Part 12 Pressure Design of Nonmetallic Piping Components 119MA303 General 119MA304 Pressure Design of Nonmetallic Components . 119Part 13 Fluid Service Requirements for Nonmetallic Piping Comp

30、onents . 119MA305 Pipe . 119MA306 Nonmetallic Fittings, Bends, Miters, Laps, and Branch Connections . 119MA307 Valves and Specialty Components 119MA308 Flanges, Blanks, Flange Facings, and Gaskets . 119MA309 Bolting 119Part 14 Fluid Service Requirements for Nonmetallic Piping Joints 119MA310 General

31、 119MA311 Bonded Joints 119MA312 Flanged Joints . 119MA313 Expanded Joints . 119MA314 Threaded Joints 120MA315 Tubing Joints in Nonmetallic Piping 120MA316 Caulked Joints . 120MA318 Special Joints 120Part 15 Flexibility and Support of Nonmetallic Piping 120MA319 Piping Flexibility 120MA321 Piping Su

32、pport 120Part 16 Nonmetallic and Nonmetallic Lined Systems 120MA322 Specific Piping Systems 120Part 17 Nonmetallic Materials . 120MA323 General Requirements 120Part 18 Standards for Nonmetallic and Nonmetallic Lined Piping Components 120MA326 Dimensions and Ratings of Components 120Part 19 Fabricati

33、on, Assembly, and Erection of Nonmetallic and Nonmetallic LinedPiping . 120MA327 General 120MA328 Bonding of Plastics 120MA329 Fabrication of Piping Lined With Nonmetals 120MA332 Bending and Forming 120MA334 Joining Nonplastic Piping 120MA335 Assembly and Erection . 120Part 20 Inspection, Examinatio

34、n, Testing, and Records of Nonmetallic andNonmetallic Lined Piping . 120MA340 Inspection . 120MA341 Examination . 120MA342 Examination Personnel . 121MA343 Examination Procedures 121MA344 Types of Examination 121MA345 Testing 121MA346 Records . 121Chapter IX High Pressure Piping 122K300 General Stat

35、ements 122Part 1 Conditions and Criteria . 122K301 Design Conditions . 122K302 Design Criteria 123viPart 2 Pressure Design of Piping Components 125K303 General 125K304 Pressure Design of High Pressure Components . 125Part 3 Fluid Service Requirements for Piping Components . 129K305 Pipe . 129K306 Fi

36、ttings, Bends, and Branch Connections . 129K307 Valves and Specialty Components 129K308 Flanges, Blanks, Flange Facings, and Gaskets . 129K309 Bolting 130Part 4 Fluid Service Requirements for Piping Joints . 130K310 General 130K311 Welded Joints 130K312 Flanged Joints . 130K313 Expanded Joints . 130

37、K314 Threaded Joints 130K315 Tubing Joints 131K316 Caulked Joints . 131K317 Soldered and Brazed Joints . 131K318 Special Joints 131Part 5 Flexibility and Support 131K319 Flexibility 131K321 Piping Support 131Part 6 Systems . 132K322 Specific Piping Systems 132Part 7 Materials 132K323 General Require

38、ments 132K325 Miscellaneous Materials 137Part 8 Standards for Piping Components . 137K326 Requirements for Components . 137Part 9 Fabrication, Assembly, and Erection . 137K327 General 137K328 Welding . 137K330 Preheating . 141K331 Heat Treatment 141K332 Bending and Forming 141K333 Brazing and Solder

39、ing . 142K335 Assembly and Erection . 142Part 10 Inspection, Examination, and Testing 142K340 Inspection . 142K341 Examination . 142K342 Examination Personnel . 144K343 Examination Procedures 144K344 Types of Examination 144K345 Leak Testing . 145K346 Records . 147Chapter X High Purity Piping. 148U3

40、00 General Statements 148Part 1 Conditions and Criteria . 148U301 Design Conditions . 148Part 2 Pressure Design of Piping Components 148Part 3 Fluid Service Requirements for Piping Components . 148U306 Fittings, Bends, Miters, Laps, and Branch Connections 148U307 Valves and Specialty Components 148U

41、308 Flanges, Blanks, Flange Facings, and Gaskets . 148viiPart 4 Fluid Service Requirements for Piping Joints . 149U311 Welded Joints 149U314 Threaded Joints 149U315 Tubing Joints 149Part 5 Flexibility and Support 149U319 Piping Flexibility 149Part 6 Systems . 149Part 7 Metallic Materials 149Part 8 S

42、tandards for Piping Components . 150Part 9 Fabrication, Assembly, and Erection . 150U327 General 150U328 Welding . 150U330 Preheating . 150U331 Heat Treatment 150U332 Bending and Forming 150U333 Brazing and Soldering . 150U335 Assembly and Erection . 150Part 10 Inspection, Examination, and Testing 1

43、52U340 Inspection . 152U341 Examination . 152U342 Examination Personnel . 153U343 Examination Procedures 153U344 Types of Examination 153U345 Testing 153U346 Records . 154Part 11 High Purity Piping in Category M Fluid Service . 154UM300 General Statements 154UM307 Metallic Valves and Specialty Compo

44、nents . 154UM322 Specific Piping Systems 154UM328 Welding of Materials . 154UM335 Assembly and Erection of Metallic Piping 154UM341 Examination . 154UM345 Testing 154Figures300.1.1 Diagram Illustrating Application of B31.3 Piping at Equipment 3302.3.5 Stress Range Factor, f 18304.2.1 Nomenclature fo

45、r Pipe Bends 22304.2.3 Nomenclature for Miter Bends . 22304.3.3 Branch Connection Nomenclature 25304.3.4 Extruded Outlet Header Nomenclature . 27304.5.3 Blanks . 30319.4.4A Moments in Bends . 41319.4.4B Moments in Branch Connections . 41323.2.2A Minimum Temperatures Without Impact Testing for Carbon

46、 SteelMaterials 50323.2.2B Reduction in Lowest Exemption Temperature for Steels Without ImpactTesting 52328.3.2 Typical Backing Rings and Consumable Inserts . 65328.4.2 Typical Butt Weld End Preparation . 65328.4.3 Trimming and Permitted Misalignment . 65328.4.4 Preparation for Branch Connections 66

47、328.5.2A Fillet Weld Size 67328.5.2B Typical Details for Double-Welded Slip-On and Socket Welding FlangeAttachment Welds . 67viii328.5.2C Minimum Welding Dimensions for Socket Welding Components OtherThan Flanges 67328.5.4A Typical Welded Branch Connections 68328.5.4B Typical Welded Branch Connectio

48、ns 68328.5.4C Typical Welded Branch Connections 68328.5.4D Acceptable Details for Branch Attachment Welds . 68328.5.4E Acceptable Details for Branch Attachment Suitable for 100%Radiography 68328.5.4F Acceptable Details for Integrally Reinforced Branch Connections 69328.5.5 Typical Fabricated Laps 71

49、335.3.3 Typical Threaded Joints Using Straight Threads . 79341.3.2 Typical Weld Imperfections 85A328.5 Typical Plastic Piping Joints 109K323.3.3 Example of an Acceptable Impact Test Specimen 135K328.4.3 Pipe Bored for Alignment: Trimming and Permitted Misalignment 140K328.5.4 Some Acceptable Welded Branch Connections Suitable for 100%Radiography 140U304.5.3 Blanks . 149U335.7.1 Face Seal Joints 151U335.8A Hygienic Clamp Joint Assembly 151U335.8B Hygienic Clamp Types . 152U335.8C Hygienic Ferrules 152Tables300.4 Status of Appendices in B31.3 10302.3.3C Increased Casting Quality

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