ASME_B16.18-2001.pdf

ASME B16.18-2001Revision of ANSI B16.18-1984(R1994)CAST COPPER ALLOYSOLDER JOINTPRESSURE FITTINGSAN AMERICAN NATIONAL STANDARDSThe American Society ofMechanical EngineersThe American Society ofMechanical EngineersAN AMERICANNATION ALST AND A R DCAST COPPER ALLOYSOLDER JOINTPRESSURE FITTINGSASME B16.18-2001Revision of ANSI B16.18-1984(R1994)Date of Issuance:April 19,2002The next edition of this Standard is scheduled for publication in 2007.Therewill be no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations oftechnical aspects of this Standard.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 forAmerican National Standards.The Standards Committee that approved the code or standardwas balanced to assure that individuals from competent and concerned interests have had anopportunity to participate.The proposed code or standard was made available for public reviewand comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not approve,rate,or endorseany item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted inconnection with any items mentioned in this document,and does not undertake to insure anyoneutilizing a standard against liability for infringement of any applicable letters patent,nor assumeany such liability.Users of a code or standard are expressly advised that determination of thevalidity of any such patent rights,and the risk of infringement of such rights,is entirely theirown responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not tobe interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued inaccordance with the established ASME procedures and policies,which precludes the issuanceof 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 10016-5990Copyright2002byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.CONTENTSForewordCommittee Roster,。，。，。,，。”viCorrespondence With the B16 Committee.vii1Scope。，。+4。”1.1 General1.2 Units of Measurement11.3 Convention1.4 References11.5 Quality SystemPressure-Temperature Ratings2.1 Rating of Fitting and of Joint2.2 Bursting Strength.3AbbreviationsSize5Marking6MaterialMetal Thickness.8Inspection Tolerance.28.1 Linear Dimensions8.20 vality8.3 Gaging of Solder Joint Ends.28.4 Standard Gaging Method of Threaded Ends.28.5 Alignment.9 Threaded Ends49.1 Thread Type.49.2 Countersink or Chamfer.9.3 Threading Tolerances.49.4 Thread Length10 Configuration of Threaded Ends511 Test.Figure1 Method of Designating Openings of Fittings.3i