1977_1994.pdf

ASME 832.5 77 m 0759670 0572995 625 m Errata to ANSI B32.511977 The Errata correction listed below applies to ANSI B3251977(R 1994),Preferred Metric Sizes for Tubular Metal Products Other Than Pipe.Page Location Change 2 Table 2 Under first column,change fourth entry from 0.01 to o.10 JANUARY 1996 THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS 345 East 47th Street,New York,N.Y.10017 L5177E Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME 532-5 77 m 0759670 0573772 Lb7 9 A M E R I C A N N A T I O N A L S T A N D A R D Preferred Metric Sizes for Tubular Metal Products Other Than Pipe ANSI B32.5-1977 REAFFIRMED 1994 FOR CURRENT COMMmEE PERSONNEL PLEASE SEE ASME MANUAL As-1 1 Fm CURRENT COMMITTEE PERSONNEL REAFFIRMED 1988 PLEASE SEE ASME MANUAL AS-11 SECRETARIAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLISHED BY T H E A M E R I C A N S O C I E T Y OF M E C H A N I C A L E N G I N E E R S United Engineering Center 345 East 47th Street New York,N.Y.1 O 0 1 7 Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior writter:permission of the publisher.Copyright Q 1977 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-FOREWORD The U.S.Department of Commerce in its July 1971 report to Congress titled“A Metric America-A Decision Whose Time Has Come”recommended that the United States should change to the metric system through a coordinated national program.This action along with subsequent increased metric activity in in-dustry resulted in a number of requests from producers and users that the B32 Committee develop preferred series of metric sizes for the various forms of wrought mill metal products.On January 17,1977 Subcommittees 1 and 2 were formed to establish preferred metric sizes of solid flat and round metal products respectively.Subsequently Subcommittee 2 had its scope enlarged to include solid square and hexagon products.Subcommittee 4 was formed on October 24,1973 to consider tubular products.Pipe products were excluded as they are under the jurisdiction of ANSI B36 Committee.These Committees are composed of representatives of the major metal trade associations and user groups.After several meetings,consensus agreement was reached by Subcommittee 4 on the preferred metric sizes for tubular metal products.Several considerations guided the Subcommittee:IS0 preferred number sizes,sizes actually used in metric countries,and the need for rounded metric equivalents of high activity inch sizes.The Subcommittee agreed to provide two sequentially numbered companion standards,one specify-ing metric sizes designated ANSI B32.5 and one specifying metric equivalents of inch sizes designated ANSI B32.6.The proposals received Standards Committee B32 approval on March 30,1977 and was approved as an American National Standard on September 7,1977.iii Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B32.5 77 m 0759b70 0573795 976 m AMERICAN NATIONAL STANDARDS COMMITTEE B32 Standardization of Metal and Metal Alloy Wrought Mill Product Nominal Sizes(The following is the roster of the committee at the time of the approval of the standard)OFFICERS Arthur Cohen.Chairman Kurt Wessely,Secretary AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA J.A.Fedorochko,General Electric Company,Philadelphia,Pennsylvania J.P.Reese,Alternate,Aerospace Industries Association of America.Washington,D.C ALUMINUM ASSOCIATION,THE R.R.Senz,Aluminum Company of America,Pittsburgh,Pennsylvania J.W.Barr,Alternate,The Aluminum Association,New York,New York AMERICAN IRON&STEEL INSTITUTE N.B.Juster,Inland Steel Company,Chicago,Illinois R.B.Wallace,U.S.Steel Corporation,Pittsburgh,Pennsylvania AMIRICAN SOCIETY FOR METALS R.B.Liss.Caterpillar Tractor Company,Peoria.Illinois AMERICAN SOCIETY Of MECHANICAL ENGINEERS,THE A.R.Mache/,Jr.,Xerox Corp.,Rochester,New York COLI)I.INISHED STEEL BAR INSTITUTE Hall Healy,La Salle Steel Company,Chicago,Illinois M.U.Otraviani,Alternate,Teledyne.Columbia-Summerill,Pittsburgh.Pennsylvania COPPER DEVELOPMENT ASSOCIATION INC.Arthur Cohen,Copper Development Association Inc.,New York,New York ELECTRONIC INDUSTRIES ASSOCIATION E.C.Slick,Sylvania llectric Products,Inc.,Warren,Pennsylvania FARM&INDUSTRIAL EQUIPMENT INSTITUTE R.J.Christ,Deere&Company,Moline,Illinois GAS APPLIANCE MANUFACTURERS ASSOCIATION C.A.Reichelderfer,Dunham-Bush,Inc.,Harrisonburg,Virginia J.P.Langmead,Alternate,Gas Appliance Manufacturers Association,Inc.,Arl