ASME_B16.52-2018.pdf

AN AM E R IC A N NAT IO NAL STANDARDASME B16.52-2018Forged Nonferrous Fittings,Socket-Welding and Threaded(Titanium,Titanium Alloys,Aluminum,and Aluminum Alloys)ASME B16.52-2018Forged NonferrousFittings,Socket-Welding and Threaded(Titanium,Titanium Alloys,Aluminum,and Aluminum Alloys)AN AMERICAN NATIONAL STANDARDDate of Issuance:May 15,2018The next edition of this Standard is scheduled for publication in 2023.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.Periodically certainactionsoftheASMEB16CommitteemaybepublishedasCases.CasesandinterpretationsarepublishedontheASMEwebsiteunder the Committee Pages at http:/cstools.asme.org/as they are issued.Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections toincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedon the date posted.TheCommitteePagescanbefoundathttp:/cstools.asme.org/.Thereisanoptionavailabletoautomaticallyreceiveane-mailnotification when errata are posted to a particular code or standard.This option can be found on the appropriate CommitteePage after selecting“Errata”in the“Publication Information”section.ASME is the registered trademark of The American Society of Mechanical Engineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunityto participate.The proposed codeorstandardwasmadeavailable forpublic reviewandcommentthatprovidesanopportunityfor 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 thisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk 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 industryendorsement 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 interpretations by individuals.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.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.ivCommittee Roster.vCorrespondence With the B16 Committee.vi1Scope and General.12Pressure Ratings.13Size and Type.24Marking.25Material.26Dimensions.37Additional Tolerances.38Proof Testing.4Mandatory AppendixIReferences.17Nonmandatory AppendixAQuality System Program.18Figures3.2-1Method of Designating Outlets of Reducing Tees and Crosses.156.2.7-1Welding Gap and Minimum Flat Dimensions for Socket-Welding Fittings.16Tables1.2.1-1Types of Designated Schedule Fittings by Pipe Schedule and NPS Size Range.51.2.1-2Socket-Welding Fittings.61.2.1-3Forged Threaded Fittings.111.2.1-4Forged Threaded Fittings Street Elbows.121.2.1-5Threaded Fittings.131.2.1-6Plugs and Bushings.142.1.1-1Correlation of Designated Schedule Fittings With Pipe Schedule for Calculation of Ratings.152.1.2-1Nominal Wall Thickness of Schedule 160 Pipe.15iiiFOREWORDDuring2013,theB16SubcommitteeFbegandiscussionsontheadditionofmorenonferrousmaterialstoASMEB16.11.Aftermuchdeliberation,itwasdecidedthatabetterapproachwastodevelopanewstandardthatlinkedthenonferrousfitting 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.Several differences between this Standard and ASME B16.11 are provided to incorporate designatedpipe schedule wall thickness to fitting designs and material marking requirements.FollowingapprovalbytheASMEB16StandardsCommittee,ASMEB16.52-2018wasapprovedasanAmericanNationalStandard by ANSI on March 29,2018.ivASME B16 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 COMMITTEE PERSONNELA.Appleton,Alloy Stainless Products Co.,Inc.J.E.Barker,Dezurik Water ControlsK.