31-4_2009.pdf

Pipeline Transportation Systems for Liquid Hydrocarbons and Other LiquidsASME Code for Pressure Piping,B31AN AMERICAN NATIO NAL STANDARDASME B31.4-2009(Revision of ASME B31.4-2006)Copyright 2010 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.INTENTIONALLY LEFT BLANKCopyright 2010 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 B31.4-2009(Revision of ASME B31.4-2006)PipelineTransportationSystems for LiquidHydrocarbons andOther LiquidsASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDARDCopyright 2010 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:March 24,2010The next Edition of this Code is scheduled for publication in 2013.There will be no addenda issuedto this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of the Code.Periodically certain actions of the ASME B31 Committee may be published as Code Cases.CodeCases and interpretations are published on the ASME Web site under the Committee Pages athttp:/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 assume 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 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 EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2010 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.ixCommittee Roster.xiIntroduction.xiiiSummary of Changes.xvChapter IScope and Definitions400General Statements.1400.1Scope.1400.2Definitions.4Figures400.1.1-1Diagram Showing Scope of ASME B31.4 Excluding Carbon DioxidePipeline Systems(See Fig.400.1.1-2).2400.1.1-2Diagram Showing Scope of ASME B31.4 for Carbon Dioxide PipelineSystems.3Chapter IIDesign401Loads.7401.1Load Classifications.7401.2Application of Loads.7401.3Combining of Loads.8402Calculation of Stresses.9402.1General.9402.2Properties.9402.3Stress From Internal Pressure.9402.4Stress From External Pressure.9402.5Stress From Thermal Expansion.9402.6Longitudinal Stress.12402.7Combining of Stresses.13402.8Stresses From Road and Rail Traffic Loads.13403Criteria for Pipelines.13403.1General.13403.2Criteria for Pipe Wall Thickness and Allowances.13403.3Criteria to Prevent Yield Failure.14403.4Criteria to Pr