6-11_Edtn_2009.pdf

AN AMERICAN NATIO NAL STANDARD ASME B16.11-2009(Revision of ASME B16.11-2005)Forged Fittings,Socket-Welding and ThreadedCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME B16.11-2009(Revision of ASME B16.11-2005)Forged Fittings,Socket-Weldingand ThreadedAN AMERICAN NATIONAL STANDARDCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:August 14,2009The next edition of this Standard is scheduled for publication in 2014.There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations and items approved as errata to this edition are published on the ASMEWeb site under the Committee Pages at http:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput 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 anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assumes any such liability.Users of a code 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 asgovernment 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 reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.viCorrespondence With the B16 Committee.vii1Scope and General.12Pressure Ratings.13Size and Type.74Marking.85Material.86Dimensions.87Additional Tolerances.98Proof Testing.9Figures1Method of Designating Outlets of Reducing Tees and Crosses.82Welding Gap and Minimum Flat Dimensions for Socket-Welding Fittings.9Tables1Socket-Welding Fittings.22Forged Threaded Fittings.33Forged Threaded Fittings Street Elbows.44Threaded Fittings.55Plugs and Bushings.66Types of Fittings by Class Designation and NPS Size Range.77Correlation of Fittings Class With Schedule Number or Wall Designation ofPipe for Calculation of Ratings.78Nominal Wall Thickness of Schedule 160 and Double Extra Strong Pipe.7Mandatory AppendicesIInch Tables.11IIReferences.17Nonmandatory AppendixAQuality System Program.18iiiCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDThe Sectional Committee on the Standardization of Pipe Flanges and Fittings,B16,organizedin 1920 under the procedure of the American Standards Association(ASA)appointed a subgroupof Subcommittee 3(now Subcommittee F)to initiat