1、AN AMERICAN NATIONAL STANDARDASME B31.3-2010(Revision of ASME B31.3-2008)Process PipingASME Code for Pressure Piping, B31Copyright 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 B31.3-2010(Revision of ASME B31.3-2008)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: March 31, 2011The next edition of this Code is scheduled for publication in 2012. This Code will become effective6 months after the Date of Issu
4、ance. There will be no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Code.Interpretations, Code Cases, and errata are published on the ASME Web site under the CommitteePages at http:/cstools.asme.org as they are issued
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11、Y 10016-5990Copyright 2011 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 xiiCommittee Personnel
12、 xivIntroduction . xviiSummary of Changes xixChapter 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 Componen
13、ts 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 . 333
14、10 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 P
15、iping Support 42Part 6 Systems . 44322 Specific Piping Systems 44Chapter III Materials . 45323 General Requirements 45325 Materials Miscellaneous . 54Chapter IV Standards for Piping Components 55326 Dimensions and Ratings of Components 55Chapter V Fabrication, Assembly, and Erection 58327 General 58
16、328 Welding . 58330 Preheating . 65331 Heat Treatment 65332 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 . 70335 Assembly and Erection . 71Cha
17、pter VI Inspection, Examination, and Testing . 73340 Inspection . 73341 Examination . 73342 Examination Personnel . 80343 Examination Procedures 80344 Types of Examination 80345 Testing 81346 Records . 84Chapter VII Nonmetallic Piping and Piping Lined With Nonmetals 85A300 General Statements 85Part
18、1 Conditions and Criteria . 85A301 Design Conditions . 85A302 Design Criteria 85Part 2 Pressure Design of Piping Components 87A303 General 87A304 Pressure Design of Piping Components . 87Part 3 Fluid Service Requirements for Piping Components . 88A305 Pipe . 88A306 Fittings, Bends, Miters, Laps, and
19、 Branch Connections 88A307 Valves and Specialty Components 89A308 Flanges, Blanks, Flange Facings, and Gaskets . 89A309 Bolting 89Part 4 Fluid Service Requirements for Piping Joints . 89A310 General 89A311 Bonded Joints in Plastics . 89A312 Flanged Joints . 90A313 Expanded Joints . 90A314 Threaded J
20、oints 90A315 Tubing Joints 90A316 Caulked Joints . 90A318 Special Joints 90Part 5 Flexibility and Support 91A319 Flexibility of Nonmetallic Piping . 91A321 Piping Support 92Part 6 Systems . 92A322 Specific Piping Systems 92Part 7 Materials 93A323 General Requirements 93A325 Materials Miscellaneous .
21、 94Part 8 Standards for Piping Components . 94A326 Dimensions and Ratings of Components 94Part 9 Fabrication, Assembly, and Erection . 95A327 General 95A328 Bonding of Plastics 95A329 Fabrication of Piping Lined With Nonmetals 101A332 Bending and Forming 101A334 Joining Nonplastic Piping 101A335 Ass
22、embly and Erection . 101Part 10 Inspection, Examination, and Testing 102A340 Inspection . 102A341 Examination . 102A342 Examination Personnel . 102ivCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,
23、-A343 Examination Procedures 103A344 Types of Examination 103A345 Testing 104A346 Records . 104Chapter VIII Piping for Category M Fluid Service 105M300 General Statements 105Part 1 Conditions and Criteria . 105M301 Design Conditions . 105M302 Design Criteria 105Part 2 Pressure Design of Metallic Pip
24、ing Components 106M303 General 106M304 Pressure Design of Metallic Components . 106Part 3 Fluid Service Requirements for Metallic Piping Components . 106M305 Pipe . 106M306 Metallic Fittings, Bends, Miters, Laps, and Branch Connections 106M307 Metallic Valves and Specialty Components . 106M308 Flang
25、es, Blanks, Flange Facings, and Gaskets . 107M309 Bolting 107Part 4 Fluid Service Requirements for Metallic Piping Joints . 107M310 Metallic Piping, General . 107M311 Welded Joints in Metallic Piping . 107M312 Flanged Joints in Metallic Piping . 107M313 Expanded Joints in Metallic Piping . 107M314 T
26、hreaded Joints in Metallic Piping 107M315 Tubing Joints in Metallic Piping 107M316 Caulked Joints . 107M317 Soldered and Brazed Joints . 107M318 Special Joints in Metallic Piping 107Part 5 Flexibility and Support of Metallic Piping 108M319 Flexibility of Metallic Piping . 108M321 Piping Support 108P
27、art 6 Systems . 108M322 Specific Piping Systems 108Part 7 Metallic Materials 108M323 General Requirements 108M325 Materials Miscellaneous . 108Part 8 Standards for Piping Components . 108M326 Dimensions and Ratings of Components 108Part 9 Fabrication, Assembly, and Erection of Metallic Piping 109M32
28、7 General 109M328 Welding of Metals . 109M330 Preheating of Metals . 109M331 Heat Treatment of Metals 109M332 Bending and Forming of Metals 109M335 Assembly and Erection of Metallic Piping 109Part 10 Inspection, Examination, Testing, and Records of Metallic Piping 109M340 Inspection . 109M341 Examin
29、ation . 109M342 Examination Personnel . 110M343 Examination Procedures 110M344 Types of Examination 110M345 Testing 110M346 Records . 110vCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Parts 11 T
30、hrough 20, Corresponding to Chapter VII . 110MA300 General Statements 110Part 11 Conditions and Criteria . 110MA301 Design Conditions . 110MA302 Design Criteria 110Part 12 Pressure Design of Nonmetallic Piping Components 110MA303 General 110MA304 Pressure Design of Nonmetallic Components . 110Part 1
31、3 Fluid Service Requirements for Nonmetallic Piping Components . 110MA305 Pipe . 110MA306 Nonmetallic Fittings, Bends, Miters, Laps, and Branch Connections . 110MA307 Valves and Specialty Components 110MA308 Flanges, Blanks, Flange Facings, and Gaskets . 111MA309 Bolting 111Part 14 Fluid Service Req
32、uirements for Nonmetallic Piping Joints 111MA310 General 111MA311 Bonded Joints 111MA312 Flanged Joints . 111MA313 Expanded Joints . 111MA314 Threaded Joints 111MA315 Tubing Joints in Nonmetallic Piping 111MA316 Caulked Joints . 111MA318 Special Joints 111Part 15 Flexibility and Support of Nonmetall
33、ic Piping 111MA319 Piping Flexibility 111MA321 Piping Support 111Part 16 Nonmetallic and Nonmetallic Lined Systems 111MA322 Specific Piping Systems 111Part 17 Nonmetallic Materials . 111MA323 General Requirements 111Part 18 Standards for Nonmetallic and Nonmetallic Lined Piping Components 111MA326 D
34、imensions and Ratings of Components 111Part 19 Fabrication, Assembly, and Erection of Nonmetallic and Nonmetallic LinedPiping . 111MA327 General 111MA328 Bonding of Plastics 112MA329 Fabrication of Piping Lined With Nonmetals 112MA332 Bending and Forming 112MA334 Joining Nonplastic Piping 112MA335 A
35、ssembly and Erection . 112Part 20 Inspection, Examination, Testing, and Records of Nonmetallic andNonmetallic Lined Piping . 112MA340 Inspection . 112MA341 Examination . 112MA342 Examination Personnel . 112MA343 Examination Procedures 112MA344 Types of Examination 112MA345 Testing 112MA346 Records .
36、 112Chapter IX High Pressure Piping 113K300 General Statements 113Part 1 Conditions and Criteria . 113K301 Design Conditions . 113K302 Design Criteria 114viCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from
37、IHS-,-,-Part 2 Pressure Design of Piping Components 116K303 General 116K304 Pressure Design of High Pressure Components . 116Part 3 Fluid Service Requirements for Piping Components . 120K305 Pipe . 120K306 Fittings, Bends, and Branch Connections . 120K307 Valves and Specialty Components 120K308 Flan
38、ges, Blanks, Flange Facings, and Gaskets . 120K309 Bolting 121Part 4 Fluid Service Requirements for Piping Joints . 121K310 General 121K311 Welded Joints 121K312 Flanged Joints . 121K313 Expanded Joints . 121K314 Threaded Joints 121K315 Tubing Joints 122K316 Caulked Joints . 122K317 Soldered and Bra
39、zed Joints . 122K318 Special Joints 122Part 5 Flexibility and Support 122K319 Flexibility 122K321 Piping Support 122Part 6 Systems . 123K322 Specific Piping Systems 123Part 7 Materials 123K323 General Requirements 123K325 Miscellaneous Materials 128Part 8 Standards for Piping Components . 128K326 Di
40、mensions and Ratings of Components 128Part 9 Fabrication, Assembly, and Erection . 128K327 General 128K328 Welding . 128K330 Preheating . 130K331 Heat Treatment 131K332 Bending and Forming 132K333 Brazing and Soldering . 132K335 Assembly and Erection . 132Part 10 Inspection, Examination, and Testing
41、 133K340 Inspection . 133K341 Examination . 133K342 Examination Personnel . 133K343 Examination Procedures 135K344 Types of Examination 135K345 Leak Testing . 136K346 Records . 137Chapter X High Purity Piping. 138U300 General Statements 138Part 1 Conditions and Criteria . 138Part 2 Pressure Design o
42、f Piping Components 138Part 3 Fluid Service Requirements for Piping Components . 138U308 Flanges, Blanks, Flange Facings, and Gaskets . 138Part 4 Fluid Service Requirements for Piping Joints . 138U311 Welded Joints 138U314 Threaded Joints 138U315 Tubing Joints 139viiCopyright ASME International Prov
43、ided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Part 5 Flexibility and Support 139Part 6 Systems . 139Part 7 Metallic Materials 139Part 8 Standards for Piping Components . 139Part 9 Fabrication, Assembly, and Erection . 139U327 G
44、eneral 139U328 Welding . 139U330 Preheating . 140U331 Heat Treatment 140U332 Bending and Forming 140U333 Bending and Soldering . 140U335 Assembly and Erection . 140Part 10 Inspection, Examination, and Testing 140U340 Inspection . 140U341 Examination . 140U342 Examination Personnel . 141U343 Examinat
45、ion Procedures 141U344 Types of Examination 141U345 Testing 141U346 Records . 142Part 11 High Purity Piping in Category M Fluid Service . 142UM300 General Statements 142UM307 Metallic Valves and Specialty Components . 142UM322 Specific Piping Systems 142UM328 Welding of Materials . 142UM335 Assembly
46、 and Erection of Metallic Piping 142UM341 Examination . 142UM345 Testing 142Figures300.1.1 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 Nomencla
47、ture 23304.3.4 Extruded Outlet Header Nomenclature . 25304.5.3 Blanks . 29319.4.4A Moments in Bends . 39319.4.4B Moments in Branch Connections . 39323.2.2A Minimum Temperatures Without Impact Testing for Carbon SteelMaterials 48323.2.2B Reduction in Minimum Design Metal Temperature WithoutImpact Tes
48、ting 50328.3.2 Typical Backing Rings and Consumable Inserts . 60328.4.2 Typical Butt Weld End Preparation . 61328.4.3 Trimming and Permitted Misalignment . 61328.4.4 Preparation for Branch Connections 62328.5.2A Fillet Weld Size 62328.5.2B Typical Details for Double-Welded Slip-On and Socket Welding
49、 FlangeAttachment Welds . 62328.5.2C Minimum Welding Dimensions for Socket Welding Components OtherThan Flanges 63328.5.4A Typical Welded Branch Connections 63328.5.4B Typical Welded Branch Connections 63328.5.4C Typical Welded Branch Connections 63328.5.4D Acceptable Details for Branch Attachment Welds . 64viiiCopyright ASM
