-100_Edtn_2005.pdf

AN AMERICAN NATIO NAL STANDAR DPreferred Metric Sizes for Flat,Round,Square,Rectangular,and Hexagonal Metal ProductsASME B32.100-2005(Consolidation of ASME B32.3M and B32.4M)Copyrighted 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 B32.100-2005(Consolidation of ASME B32.3M and B32.4M)Preferred MetricSizes for Flat,Round,Square,Rectangular,and HexagonalMetal Products Three Park Avenue New York,NY 10016AN AMERICAN NATIONAL STANDARDCopyrighted 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:September 12,2005This Standard will be revised when the Society approves the issuance of a new edition.There will beno addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Stan-dard.Interpretations are published on the ASME Web site under the Committee Pages athttp:/www.asme.org/codes/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 National Stan-dards.The Standards Committee that approved the code or standard was balanced to assure that individuals from com-petent and concerned interests have had an opportunity to participate.The proposed code or standard was made avail-able for public review and 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“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 any itemsmentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringe-ment of any applicable letters patent,nor assumes any such liability.Users of a code or standard are expressly advisedthat determination of the validity 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 to be interpreted as gov-ernment or industry endorsement of this code or standard.ASME accepts responsibility for only 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 written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2005 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted 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.ivAcknowledgement .ivCommittee Roster .vCorrespondence With the B32 Committee .vi1Scope .12General .13Use of Tables .14Basis of Tables .15Tolerances.1Tables1Preferred Thicknesses,D(mm),for All Flat Metal Products .22Preferred Widths(mm)for Flat Metal Products .23Preferred Lengths(mm)for Flat Metal Products.24Preferred Diameters,D(mm),of Round Metal Products.35Preferred Across Flat Sizes,D(mm),of Square Metal Products .46Preferred Across Flat Sizes,D(mm),of Hexagonal Metal Products .47Preferred Lengths(mm)of Round,Square,Rectangular,and Hexagonal Metal Products .48Preferred Across Flat Sizes(mm)of Rectangular Metal Products .59Thickness Tolerances(mm)for Hot-Rolled Steel Sheet of Structural Qualities(ISO 4995,ISO 5002).610Thickness Tolerances(mm)for Cold-Rolled Steel Sheet of Structural Qualities(ISO 4997).611Tolerance(mm)for Hot-Rolled,Round,Square,and Hex Steel Bars(ISO 1035-4).612Tolerances(mm)for Hot-Rolled Flat Bars(ISO 1035-4).613Tolerance(mm)for Cold-Finished,Round,Square,and Hex Steel Bars(ANSI B4.2).7Nonmandatory AppendixARelated Standards.9iiiCopyrighted 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.FOREWORDThe U.S.Department of Commerce,in its July 1971 report to Congress titled“A Metric AmericaA Decision Whose Time Has Come,”recommended that the United States should change to themetric system of measurement through a coordinated national program.This action,along withsubsequent increased metric activity in industry,resulted in a number of requests from produc-ers and users that the B32 Commit