1、AN AM E R IC AN NAT IO NAL STANDARDASME B18.31.3-2014(Revision of ASME B18.31.3-2009)Threaded Rods(Inch Series)ASME B18.31.3-2014(Revision of ASME B18.31.3-2009)Threaded Rods(Inch Series)AN AMERICAN NATIONAL STANDARDTwo Park Avenue New York,NY 10016 USADate of Issuance:March 12,2015This Standard wil
2、l be revised when the Society approves the issuance of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.InterpretationsarepublishedontheCommitteeWebpageandundergo.asme.org/InterpsDatabase.Periodically certain actions of the ASME B
3、18 Committee may bepublished as Cases.Cases are published on the ASME Web site under the B18 Committee Page atgo.asme.org/B18committee as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items,or
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10、rpretations 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
11、 of the publisher.The American Society of Mechanical EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2015 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B18 Committee.vi1Introduction.12General Da
12、ta.1Figure1Threaded Rod Dimensions.2Table1Inch Threaded Rod Sizes.3iiiFOREWORDThere was significant interest in developing this Standard due to the antidumping investigationby the U.S.Department of Commerce and the U.S.International Trade Commission that washappening simultaneously.The investigation
13、 resulted in antidumping tariffs being applied to asignificant portion of threaded rod that is used in the United States.Members of the subcommitteerecognized that there would be a lot of new threaded rod manufacturers appearing in the marketand that the industry needed a standard to reference on pu
14、rchasing documents.The FastenerIndustry Education Group cites referencing standards as one of the most important criteria forpreventing poor quality or wrong product from entering the supply chain.The first edition of this Standard was approved as an American National Standard onNovember 10,2009.Thi
15、s revision incorporates the following technical changes.For quality assurance,ASME B18.18replaces the superseded ASME B18.18.2.Additional materials for threaded rod have been addedand provision is made to allow users to order materials not specifically covered.Stainless steelis used to identify corr
16、osion-resistant steel fasteners previously identified as CRES.ASTM F1554,Grade 105 that is increasingly replacing ASTM A449 has been added.ASTM A354 and SAE J429,Grade 8 covering higher-strength steels were added.Hot-dip zinc coating in accordance withASTM F2329 was added as a finish choice.A statement has been added that tensile and yieldtests can be conducted on specimens of 3 nominal diameters or greater in length as some of thereferenced material specifications may require testing of full le
