1、Inspectionand Quality Assurance for General Purpose FastenersAN AMERICAN NATIO NAL STANDARDASME B18.18.1-2007Revision of ANSI/ASME B18.18.1M-1987(R2006)Copyright 2007 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrig
2、hted 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 B18.18.1-2007Revision of ANSI/ASME B18.18.1M-1987(R2006)Inspectionand QualityAssurance forGe
3、neral PurposeFastenersAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyright 2007 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 Scientifi
4、c(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:April 6,2007This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.A
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11、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 2007 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U
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13、 or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B18 Committee.vi1General Information.12General Purpose Fasteners.1Figure1Basic Plan Outline.2Tables1Sample Size.22Nondestructive.33Destructive.4Nonmandatory AppendicesAInspection Leve
14、l Decision Table.5BOrdering Information.6iiiCopyright 2007 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
15、University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDAmerican National Standards Committee B18 for the standardization of bolts,screws,nuts,rivets,and similar fasteners was organized in March 1922 as Sectional Committee B18 underthe aegis of the Amer
16、ican Engineering Standards Committee(later the American StandardsAssociation,then the United States of America Standards Institute and,as of October 6,1969,the American National Standards Institute,Inc.)with the Society of Automotive Engineers andthe American Society of Mechanical Engineers as joint sponsors.Subcommittee 18 of Committee B18 was established in September 1978 to develop a documentto cover the quality assurance provisions for internally and externally threaded metric fastenersand a
