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ASME B16 52-2018 Forged Nonferrous Fittings Socket- Welding and Threaded (Titanium Titanium Alloys Aluminum and Aluminum Alloys).pdf

1、AN AMERICAN NATIONAL STANDARDASME B16.52-2018Forged Nonferrous Fittings, Socket-Welding and Threaded(Titanium, Titanium Alloys, Aluminum, and Aluminum Alloys)ASME B1 6.5 2-2018Forged NonferrousFittings, Socket-Welding and Threadedx(Titanium, Titanium Alloys,Aluminum, and Aluminum Alloys)AN AMERICAN

2、NATIONAL STANDARDxDate of Issuance: May 15, 2018The next edition of this Standard is scheduled for publication in 2023.ASME issues writt en replies to inquiries concerning interpre tations of technical aspects of this Standard. Periodically certainactions of the ASME B16 Committ ee may be published

3、as Cases. Cases and int erpretations are published on the ASME websit eunder the Committ ee Pages at htt p:/cstools.asme.org/ as they are issued.Errata to codes and stan dards may be post ed on the ASME website under the Committ ee Pages to provide corrections toincorrectly published item s, or to c

4、orrect typographical or grammatical err ors in codes and s tandards. Such errata shall be usedon the date post ed.The Committ ee Pages can be found at htt p:/cstools.asme.org/. There is an option available to automatically receive an e-mailnotification when errata are post ed to a particular code or

5、 sta ndard. This option can be found on the appr opriate Committ eePage after selecting “ Errata ” in the “ Publication Information ” section.ASME is the regis tered trademark of The American Society of Mechanical Engineers.This code or standard was developed under proc edures accredited as meeting

6、the criteria for American National Standards. The StandardsCommit tee that approved the code or standard was balanced to assure that individuals fro m competent and concerned int erests have had anopportunity to participate. The pr oposed code or standard was made available for public review and com

7、ment that provides an opportunityfor additional public input fro m industry , academia, regulatory agencies, and the public-at -large.ASME does not “ appr ove, ” “ rate, ” or “ endorse ” any it em, construction, proprietary device, or activity .ASME does not take any position with respect to the val

8、idity of any patent rights assert ed in connection with any items mentioned in thisdocument, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable lett ers patent, norassume any such liability . Users of a code or standard are expressly adv

9、ised that determination of the validity of any such patent rights, and therisk 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 interpret ed as government or industryendor sement

10、 of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand policies, which precludes the issuance of int erpretations by individuals.No part of this document may be reproduced in any form,in an el

11、ectronic retrieval sys t em or otherwise,without the prior writ ten permission of the publisher .The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2018 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword . . .

12、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ivCommittee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vCorrespon

13、dence With the B16 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi1 Scope and General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Pressure Ratings . . . . . . . . . .

14、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Size and Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16、 . . . . . . . . . . . . . . . . . . . . . . 37 Additional Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Proof Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17、 . . . . . . 4Mandatory AppendixI References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Nonmandatory AppendixA Quality System Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18、 . . . . . . . . . . . 18Figures3.2-1 Method of Designating Outlets of Reducing Tees and Crosses . . . . . . . . . . . . . . . . . . . . . . . . . . 156.2.7-1 Welding Gap and Minimum Flat Dimensions for Socket- Welding Fittings . . . . . . . . . . . . . . . . . . 16Tables1.2.1-1 Types of Designated

19、Schedule Fittings by Pipe Schedule and NPS Size Range . . . . . . . . . . . . . . . 51.2.1-2 Socket- Welding Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61.2.1-3 Forged Threaded Fittings . . . . . . . . . . . . . . . . . . . . .

20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111.2.1-4 Forged Threaded Fittings Street Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121.2.1-5 Threaded Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21、 . . . . . . . . . . . . . . . 131.2.1-6 Plugs and Bushings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142.1.1-1 Correlation of Designated Schedule Fittings With Pipe Schedule for Calculation of Ratings . . . . . 152.1.2-1 Nominal

22、Wall Thickness of Schedule 160 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15iiiFOREWORDDuring 2013, the B16 Subcommittee F began discussions on the addition of more nonferrous materials to ASME B16.11.After much deliberation, it was decided that a better approach

23、was to develop a new standard that linked the nonferrousfitting design to a nonferrous pipe wall thickness of equivalent material, pipe schedule, and size as the fitting instead ofusing Class designation. This project gained momentum in 2016 and a new document was developed and ballotingcommenced. S

24、everal differences between this Standard and ASME B16.11 are provided to incorporate designatedpipe schedule wall thickness to fitting designs and material marking requirements.Following approval by the ASME B16 Standards Committee, ASME B16.52-2018 was approved as an American NationalStandard by AN

25、SI on March 29, 2018.ivASME B1 6 COMMITTEEStandardization of Valves, Flanges, Fittings, and Gaskets(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSR. Bojarczuk, ChairC. Davila, Vice ChairC. R. Ramcharran, SecretarySTANDARDS COMMITTE

26、E PERSONNELA. Appleton, Alloy Stainless Products Co., Inc.J. E. Barker, Dezurik Water ControlsK. Barron, Ward ManufacturingD. C. Bayreuther, Metso AutomationW. Bedesem, ConsultantR. Bojarczuk, ExxonMobil Research and Engineering Co.A. Cheta, Qatar Shell GTLM. Clark, NIBCO, Inc.G. A. Cuccio, Capitol

27、Manufacturing Co.J. D Avanzo, Fluoroseal ValvesC. Davila, Crane EnergyK. S. Felder, Valero EnergyD. Frikken, Becht Engineering Co.D. Hunt, Jr., FastenalG. Jolly, Samshin Ltd.E. J. Lain, Exelon NuclearT. A. McMahon, Emerson Process ManagementR. C. Merrick, Fluor EnterprisesM. Nayyar, NICEW. H. Patric

28、k, The Dow Chemical Co.D. Rahoi, ConsultantC. R. Ramcharran, The American Society of Mechanical EngineersD. F. Reid, VSP TechnologiesR. Schmidt, CanadoilJ. Tucker, FlowserveF. Volgstadt, Volgstadt however, they should not contain proprietary names orinformation.Requests that are not in the format de

29、scribed above may be rewritten in the appropriate format by the Committee priorto being answered, which may inadvertently change the intent of the original request.viMoreover, ASME does not act as a consultant for specific engineering problems or for the general application orunderstanding of the St

30、andard requirements. If, based on the inquiry information submitted, it is the opinion ofthe Committee that the Inquirer should seek assistance, the inquiry will be returned with the recommendationthat such assistance be obtained.ASME procedures provide for reconsideration of any interpretation when

31、 or if additional information that might affectan interpretation is available. Further, persons aggrieved by an interpretation may appeal to the cognizant ASMECommittee or Subcommittee. ASME does not “approve, ” “certify, ” “rate, ” or “endorse” any item, construction, proprietarydevice, or activity

32、.Attending Committee Meetings. The B16 Standards Committee regularly holds meetings and/or telephone confer-ences that are open to the public. Persons wishing to attend any meeting and/or telephone conference should contact theSecretary of the B16 Standards Committee.viiINTENTIONALLY LEFT BLANKviiiF

33、ORGED NONFERROUS FITTINGS,SOCKET-WELDING AND THREADED(Titanium, Titanium Alloys, Aluminum, and Aluminum Alloys)1 SCOPE AND GENERAL1.1 Scope1.1.1 Standard Fittings. This Standard covers ratings,dimensions, tolerances, marking, and material require-ments for titanium, titanium alloy, aluminum, andalum

34、inum alloy forged fittings, both socket-weldingand threaded ends.1.1.2 Special Fittings. Fittings with special dimen-sions, threads, or counterbores may be made by agree-ment between the manufacturer and purchaser. Whensuch fittings meet all other requirements of thisStandard, they shall be consider

35、ed in compliance withthis Standard.1.2 General1.2.1 Fitting Types/Configuration. Types of fittingscovered by this Standard are shown in Table 1.2.1-1 ,by Designated Schedule Fitting by pipe schedule andsize range. Fittings shown in Tables 1.2.1-2 through1.2.1-6 may also be made with combinations of

36、socket-welding and threaded ends.1.2.2 Referenced Standards. Standards and specifica-tions adopted by reference in this Standard are shown inMandatory Appendix I. It is not considered practical toidentify the specific edition of each standard and specifi-cation in the individual references. Instead,

37、 the specificedition reference is identified in Mandatory AppendixI . A fitting made in conformance and conforming tothis Standard, in all other respects, will be consideredto be in conformance to the Standard, even though theedition reference may be changed in a subsequent revisionof the Standard.1

38、.2.3 Codes and Regulations. A fitting used under thejurisdiction of the ASME Boiler and Pressure Vessel Code,the ASME Code for Pressure Piping, or a governmentalregulation is subject to any limitation of that code or regu-lation. This includes any maximum temperature limita-tion, rule governing the

39、use of a material at lowtemperature, or provisions for operation at a pressureexceeding the ratings in this Standard.1.2.4 Service Conditions. Criteria for selection offitting types and materials suitable for particular fluidservice are not within the scope of this Standard.1.2.5 Quality S ystems. N

40、onmandatory requirementsrelating to the product manufacturers quality systemprogram are described in Nonmandatory Appendix A .1.2.6 Welding. Installation welding requirements arenot within the scope of this Standard. Installation weldingshall be in accordance with the applicable piping code orregula

41、tion covering the piping system into which thefittings are installed.1.2.7 Relevant Units. This Standard states values inboth SI (Metric) and U.S. Customary units. Thesesystems of units are to be regarded separately as standard.Within the text, the U.S. Customary units are shown inparentheses. The v

42、alues stated in each system are notexact equivalents; therefore, it is required that eachsystem be used independently of the other. Combiningvalues from the two systems constitutes nonconformancewith the Standard.2 PRESSURE RATINGS2.1 GeneralFittings under this Standard shall be DesignatedSchedule 4

43、0, 80, or 160 for threaded end and socket-weld end fittings.2.1.1 Basis of R ating. The schedule of pipe corre-sponding to each Designated Schedule fitting for ratingpurposes is shown in Table 2.1.1-1 . Design temperatureand other service conditions shall be limited as providedby the applicable pipi

44、ng code or regulation for the materialof construction of the fitting. Within these limits, theminimum wall thickness for pipe to be used with aTable 2.1.1-1 Designated Schedule fitting shall becomputed based on appropriate size straight seamlesspipe of equivalent material as the fitting (as shown by

45、comparison of composition and mechanical propertiesin the respective material specifications). Theminimum pipe wall thickness calculation shall includepressure design and all applicable additional allowances(e.g., erosion, corrosion, and thread depth for threadedpipe). The minimum wall thickness for

46、 selected pipe,considering manufacturing minus wall thickness toler-ance (typically 12.5%), shall not be less than theminimum wall calculation. The fitting is suitable forthe application if the wall thickness of the selectedpipe equals or is less than the ASME B36.10M orASME B36.19M Schedule No. pip

47、e wall thicknessASME B16.52-20181correlated with the fitting in Table 2.1.1-1 see Notes (1)and (2) in Table 2.1.1-1 .2.1.2 Nonstandard Pipe Wall Thickness. Since ASMEB36.10M does not include Schedule 160 thickness for NPS18,14, and38, the values in Table 2.1.2-1 shall be used asthe nominal wall thic

48、knesses of the pipe for ratingpurposes.2.1.3 Combination End Fittings. The DesignatedSchedule Class designation for fittings made with combi-nations of socket-welding and threaded ends rating shallbe based on the end configuration that has the lowest pipeschedule rating.2.2 Pressure Test Ca pability

49、Pressure testing is not required by this Standard, but thefittings shall be capable of withstanding a hydrostatic testpressure required by the applicable piping code for seam-less pipe of material equivalent to the fitting forging and ofthe schedule or wall thickness correlated with the fittingand end connection of Table 2.1.1-1 .3 SIZE AND TYPE3.1 GeneralNPS, followed by a dimensionless number, is the des-ignation for nominal fitting size. NPS is related to the refer-ence nominal diameter, DN, used in internationalstandards. The relationship is typically as follows:NPS DN186148

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