1、Process PipingASME Code for Pressure Piping, B31AN AMERICAN NATIONAL STANDARDASME B31.3-2012(Revision of ASME B31.3-2010)Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright ASME Internationa
2、l Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B31.3-2012(Revision of ASME B31.3-2010)Process PipingASME Code for Pressure Piping, B31AN AMERICAN NATIONAL STANDARDThree Park Avenue New York, NY 10016 USACopyright ASME
3、 International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance: January 10, 2013The next edition of this Code is scheduled for publication in 2014. This Code will become effective6 months after the Date of Is
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13、Y 10016-5990Copyright 2013 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword xiiiCommittee Personne
14、l xivIntroduction . xviiiSummary of Changes xxChapter I Scope and Definitions . 1300 General Statements 1Chapter II Design . 10Part 1 Conditions and Criteria . 10301 Design Conditions . 10302 Design Criteria 12Part 2 Pressure Design of Piping Components 18303 General 18304 Pressure Design of Compone
15、nts 20Part 3 Fluid Service Requirements for Piping Components . 30305 Pipe . 30306 Fittings, Bends, Miters, Laps, and Branch Connections 30307 Valves and Specialty Components 32308 Flanges, Blanks, Flange Facings, and Gaskets . 32309 Bolting 33Part 4 Fluid Service Requirements for Piping Joints . 33
16、310 General 33311 Welded Joints 33312 Flanged Joints . 34313 Expanded Joints . 34314 Threaded Joints 34315 Tubing Joints 35316 Caulked Joints . 35317 Soldered and Brazed Joints . 35318 Special Joints 35Part 5 Flexibility and Support 36319 Piping Flexibility 36320 Analysis of Sustained Loads . 41321
17、Piping Support 42Part 6 Systems . 44322 Specific Piping Systems 44Chapter III Materials . 46323 General Requirements 46325 Materials Miscellaneous . 55Chapter IV Standards for Piping Components 56326 Dimensions and Ratings of Components 56Chapter V Fabrication, Assembly, and Erection 59327 General 5
18、9328 Welding and Brazing 59330 Preheating . 65331 Heat Treatment 67332 Bending and Forming 70iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-333 Brazing and Soldering . 71335 Assembly and Erect
19、ion . 71Chapter VI Inspection, Examination, and Testing . 73340 Inspection . 73341 Examination . 73342 Examination Personnel . 80343 Examination Procedures 80344 Types of Examination 80345 Testing 82346 Records . 85Chapter VII Nonmetallic Piping and Piping Lined With Nonmetals 86A300 General Stateme
20、nts 86Part 1 Conditions and Criteria . 86A301 Design Conditions . 86A302 Design Criteria 86Part 2 Pressure Design of Piping Components 88A303 General 88A304 Pressure Design of Piping Components . 88Part 3 Fluid Service Requirements for Piping Components . 89A305 Pipe . 89A306 Fittings, Bends, Miters
21、, Laps, and Branch Connections 89A307 Valves and Specialty Components 90A308 Flanges, Blanks, Flange Facings, and Gaskets . 90A309 Bolting 90Part 4 Fluid Service Requirements for Piping Joints . 90A310 General 90A311 Bonded Joints in Plastics . 90A312 Flanged Joints . 91A313 Expanded Joints . 91A314
22、 Threaded Joints 91A315 Tubing Joints 91A316 Caulked Joints . 91A318 Special Joints 91Part 5 Flexibility and Support 92A319 Flexibility of Nonmetallic Piping . 92A321 Piping Support 93Part 6 Systems . 93A322 Specific Piping Systems 93Part 7 Materials 94A323 General Requirements 94A325 Materials Misc
23、ellaneous . 96Part 8 Standards for Piping Components . 96A326 Dimensions and Ratings of Components 96Part 9 Fabrication, Assembly, and Erection . 99A327 General 99A328 Bonding of Plastics 99A329 Fabrication of Piping Lined With Nonmetals 101A332 Bending and Forming 103A334 Joining Nonplastic Piping
24、103A335 Assembly and Erection . 103Part 10 Inspection, Examination, and Testing 104A340 Inspection . 104A341 Examination . 104A342 Examination Personnel . 104ivCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license f
25、rom IHS-,-,-A343 Examination Procedures 104A344 Types of Examination 105A345 Testing 105A346 Records . 106Chapter VIII Piping for Category M Fluid Service 107M300 General Statements 107Part 1 Conditions and Criteria . 107M301 Design Conditions . 107M302 Design Criteria 107Part 2 Pressure Design of M
26、etallic Piping Components 108M303 General 108M304 Pressure Design of Metallic Components . 108Part 3 Fluid Service Requirements for Metallic Piping Components . 108M305 Pipe . 108M306 Metallic Fittings, Bends, Miters, Laps, and Branch Connections 108M307 Metallic Valves and Specialty Components . 10
27、8M308 Flanges, Blanks, Flange Facings, and Gaskets . 109M309 Bolting 109Part 4 Fluid Service Requirements for Metallic Piping Joints . 109M310 Metallic Piping, General . 109M311 Welded Joints in Metallic Piping . 109M312 Flanged Joints in Metallic Piping . 109M313 Expanded Joints in Metallic Piping
28、. 109M314 Threaded Joints in Metallic Piping 109M315 Tubing Joints in Metallic Piping 109M316 Caulked Joints . 109M317 Soldered and Brazed Joints . 109M318 Special Joints in Metallic Piping 109Part 5 Flexibility and Support of Metallic Piping 110M319 Flexibility of Metallic Piping . 110M321 Piping S
29、upport 110Part 6 Systems . 110M322 Specific Piping Systems 110Part 7 Metallic Materials 110M323 General Requirements 110M325 Materials Miscellaneous . 110Part 8 Standards for Piping Components . 110M326 Dimensions and Ratings of Components 110Part 9 Fabrication, Assembly, and Erection of Metallic Pi
30、ping 111M327 General 111M328 Welding of Metals . 111M330 Preheating of Metals . 111M331 Heat Treatment of Metals 111M332 Bending and Forming of Metals 111M335 Assembly and Erection of Metallic Piping 111Part 10 Inspection, Examination, Testing, and Records of Metallic Piping 111M340 Inspection . 111
31、M341 Examination . 111M342 Examination Personnel . 112M343 Examination Procedures 112M344 Types of Examination 112M345 Testing 112M346 Records . 112vCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,
32、-Parts 11 Through 20, Corresponding to Chapter VII . 112MA300 General Statements 112Part 11 Conditions and Criteria . 112MA301 Design Conditions . 112MA302 Design Criteria 112Part 12 Pressure Design of Nonmetallic Piping Components 112MA303 General 112MA304 Pressure Design of Nonmetallic Components
33、. 112Part 13 Fluid Service Requirements for Nonmetallic Piping Components . 112MA305 Pipe . 112MA306 Nonmetallic Fittings, Bends, Miters, Laps, and Branch Connections . 112MA307 Valves and Specialty Components 112MA308 Flanges, Blanks, Flange Facings, and Gaskets . 113MA309 Bolting 113Part 14 Fluid
34、Service Requirements for Nonmetallic Piping Joints 113MA310 General 113MA311 Bonded Joints 113MA312 Flanged Joints . 113MA313 Expanded Joints . 113MA314 Threaded Joints 113MA315 Tubing Joints in Nonmetallic Piping 113MA316 Caulked Joints . 113MA318 Special Joints 113Part 15 Flexibility and Support o
35、f Nonmetallic Piping 113MA319 Piping Flexibility 113MA321 Piping Support 113Part 16 Nonmetallic and Nonmetallic Lined Systems 113MA322 Specific Piping Systems 113Part 17 Nonmetallic Materials . 113MA323 General Requirements 113Part 18 Standards for Nonmetallic and Nonmetallic Lined Piping Components
36、 113MA326 Dimensions and Ratings of Components 113Part 19 Fabrication, Assembly, and Erection of Nonmetallic and Nonmetallic LinedPiping . 113MA327 General 113MA328 Bonding of Plastics 114MA329 Fabrication of Piping Lined With Nonmetals 114MA332 Bending and Forming 114MA334 Joining Nonplastic Piping
37、 114MA335 Assembly and Erection . 114Part 20 Inspection, Examination, Testing, and Records of Nonmetallic andNonmetallic Lined Piping . 114MA340 Inspection . 114MA341 Examination . 114MA342 Examination Personnel . 114MA343 Examination Procedures 114MA344 Types of Examination 114MA345 Testing 114MA34
38、6 Records . 114Chapter IX High Pressure Piping 115K300 General Statements 115Part 1 Conditions and Criteria . 115K301 Design Conditions . 115K302 Design Criteria 116viCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without li
39、cense from IHS-,-,-Part 2 Pressure Design of Piping Components 118K303 General 118K304 Pressure Design of High Pressure Components . 118Part 3 Fluid Service Requirements for Piping Components . 122K305 Pipe . 122K306 Fittings, Bends, and Branch Connections . 122K307 Valves and Specialty Components 1
40、22K308 Flanges, Blanks, Flange Facings, and Gaskets . 122K309 Bolting 123Part 4 Fluid Service Requirements for Piping Joints . 123K310 General 123K311 Welded Joints 123K312 Flanged Joints . 123K313 Expanded Joints . 123K314 Threaded Joints 123K315 Tubing Joints 124K316 Caulked Joints . 124K317 Solde
41、red and Brazed Joints . 124K318 Special Joints 124Part 5 Flexibility and Support 124K319 Flexibility 124K321 Piping Support 124Part 6 Systems . 125K322 Specific Piping Systems 125Part 7 Materials 125K323 General Requirements 125K325 Miscellaneous Materials 130Part 8 Standards for Piping Components .
42、 130K326 Requirements for Components . 130Part 9 Fabrication, Assembly, and Erection . 130K327 General 130K328 Welding . 130K330 Preheating . 133K331 Heat Treatment 134K332 Bending and Forming 134K333 Brazing and Soldering . 135K335 Assembly and Erection . 135Part 10 Inspection, Examination, and Tes
43、ting 135K340 Inspection . 135K341 Examination . 135K342 Examination Personnel . 137K343 Examination Procedures 137K344 Types of Examination 137K345 Leak Testing . 138K346 Records . 139Chapter X High Purity Piping. 140U300 General Statements 140Part 1 Conditions and Criteria . 140Part 2 Pressure Desi
44、gn of Piping Components 140Part 3 Fluid Service Requirements for Piping Components . 140U308 Flanges, Blanks, Flange Facings, and Gaskets . 140Part 4 Fluid Service Requirements for Piping Joints . 140U311 Welded Joints 140U314 Threaded Joints 141U315 Tubing Joints 141viiCopyright ASME International
45、Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Part 5 Flexibility and Support 141Part 6 Systems . 141Part 7 Metallic Materials 141Part 8 Standards for Piping Components . 141Part 9 Fabrication, Assembly, and Erection . 141U3
46、27 General 141U328 Welding . 142U330 Preheating . 142U331 Heat Treatment 142U332 Bending and Forming 142U333 Brazing and Soldering . 142U335 Assembly and Erection . 142Part 10 Inspection, Examination, and Testing 142U340 Inspection . 142U341 Examination . 142U342 Examination Personnel . 142U343 Exam
47、ination Procedures 142U344 Types of Examination 144U345 Testing 144U346 Records . 144Part 11 High Purity Piping in Category M Fluid Service . 144UM300 General Statements 144UM307 Metallic Valves and Specialty Components . 145UM322 Specific Piping Systems 145UM328 Welding of Materials . 145UM335 Asse
48、mbly and Erection of Metallic Piping 145UM341 Examination . 145UM345 Testing 145Figures300.1.1 Diagram Illustrating Application of B31.3 Piping at Equipment 3302.3.5 Stress Range Factor, f 17304.2.1 Nomenclature for Pipe Bends 21304.2.3 Nomenclature for Miter Bends . 21304.3.3 Branch Connection Nome
49、nclature 23304.3.4 Extruded Outlet Header Nomenclature . 25304.5.3 Blanks . 29319.4.4A Moments in Bends . 40319.4.4B Moments in Branch Connections . 40323.2.2A Minimum Temperatures Without Impact Testing for Carbon SteelMaterials 49323.2.2B Reduction in Minimum Design Metal Temperature WithoutImpact Testing 51328.3.2 Typica
