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1、AN AMERICAN NATIO NAL STANDARD ASME B18.31.3-2009Threaded Rods(Inch Series)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(),downloa

2、ded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME B18.31.3-2009Threaded Rods(Inch Series)AN AMERICAN NATIONAL STANDARDCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this ma

3、terial 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:December 23,2009This Standard wil

4、l be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisdocument.Periodically,certain actions of the ASME B18 Committee may be published as Case

5、s.Cases 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 criteri

6、a 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

7、 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 connec

8、tion 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

9、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 o

10、nly 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 writ

11、ten 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 m

12、ade 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.

13、vCorrespondence With the B18 Committee.vi1Introduction.12General Data.1Figure1Threaded Rod Dimensions.2iiiCopyright 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

14、by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDTherewassignificantinterestindevelopingthisStandardduetotheantidumpinginvestigationsby the U.S.Department of Commerce and the U.S.Inter

15、national Trade Commission that weretaking place simultaneously.The investigations resulted in anti-dumping tariffs being appliedto a significant portion of threaded rods used in the United States.Members of the Subcommittee recognized that there would be a lot of new threaded rodmanufacturers appear

16、ing in the market and that the industry needed a standard to reference onpurchasing documents.The Fastener Industry Education Group cites referencing standards asone of the most important criteria for preventing a poor quality or wrong product from enteringthe supply chain.On June 19,2009,ASME B18.31.3 was approved by B18 Subcommittee 31 and by theB18 Standards Committee.This Standard was approved by the American National StandardsInstitute on November 10,2009.ivCopyright 2009 by the American So

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