ASME_B32.100-2016.pdf

AN AM E R IC AN NAT IO NAL STANDARDASME B32.100-2016Revision of ASME B32.100-2005(R2011)Preferred MetricSizes for Flat,Round,Square,Rectangular,and HexagonalMetal ProductsASME B32.100-2016(Revision of ASME B32.100-2005)Preferred MetricSizes for Flat,Round,Square,Rectangular,and HexagonalMetal ProductsAN AMERICAN NATIONAL STANDARDDate of Issuance:October 14,2016ThisStandardwillberevisedwhentheSocietyapprovestheissuanceofanewedition.ThisStandardwillbecomeeffective1yearafter the Date of Issuance.PeriodicallycertainactionsoftheASMEB32CommitteemaybepublishedasCases.CasesarepublishedontheASMEWebsiteunder the B32 Committee Page at go.asme.org/B32committee as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections toincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedon the date posted.The B32 Committee Page can be found at go.asme.org/B32committee.There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard.This option can be found on the appropriateCommittee Page after selecting“Errata”in the“Publication Information”section.ASME is the registered trademark of The American Society of Mechanical Engineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunityto participate.The proposed codeorstandardwasmadeavailable forpublic reviewandcommentthatprovidesanopportunityfor 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 items mentioned in thisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumesanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industryendorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand 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 EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2016 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.ivAcknowledgement.vCommittee Roster.viCorrespondence With the B32 Committee.vii1Scope.12General.13Use of Tables.14Basis of Tables.15Tolerances.1Nonmandatory AppendixARelated Standards.9Tables1Preferred Thickness for All Flat Metal Products,mm.32Preferred Widths for Flat Metal Products,mm.33Preferred Lengths for Flat Metal Products,mm.34Preferred Diameters,D,of Round Metal Products,mm.45Preferred Across Flat Sizes,D,of Square Metal Products,mm.56Preferred Across Flat Sizes,D,of Hexagonal Metal Products,mm.57Preferred Lengths of Round,Square,Rectangular,and Hexagonal Metal Products,mm.58Preferred Across Flat Sizes of Rectangular Metal Products,mm.69Thickness Tolerances for Hot-Rolled Steel Sheet of Structural Qualities(ISO-4995,ISO 5002),mm610Thickness Tolerances for Cold-Rolled Steel Sheet of Structural Qualities(ISO 4997),mm.711Tolerance for Hot-Rolled,Round,Square,and Hex Steel Bars(ISO 1035-4),mm.712Tolerances for Hot-Rolled Flat Bars(ISO 1035-4),mm.713Tolerance for Cold-Finished,Round,Square,Rectangular,and Hex Steel Bars(ANSI B4.2),mm.8iiiFOREWORDThe U.S.Department of Commerce,in its July 1971 report to Congress,titled“A Metric America A Decision WhoseTime Has Come,”recommended that the United States should change to the metric system of measurement through acoordinated national program.This action,along with subsequent increased metric activity in industry,resulted in anumber of requests from producers and users that the B32 Committee develop preferred series of metric sizes for thevarious forms of wrought metal mill products.The B32.100 standard is based on the previously published standards B32.3M-1984 and B32.4M-1980.Developmentofthesestandardswasstartedin1973.TheproposalreceivedStandardsCommitteeB32approvalonJune4,1974.Itwassubsequently approved by the sponsor and submitted to the American National Standards Institute(ANSI)for designa-tion as an American National Standard.This was granted on July 9,1974.The