BS ISO 13521-2015 Austenitic manganese steel castings《奥氏体锰钢铸件》.pdf

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1、BSI Standards PublicationBS ISO 13521:2015Austenitic manganese steelcastingsBS ISO 13521:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 13521:2015.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/111, Steel Castings and Forg

2、ings.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015.Published by BSI Stan

3、dards Limited 2015ISBN 978 0 580 76501 8ICS 77.140.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2015.Amendments/corrigenda issued since publication

4、Date Text affectedBS ISO 13521:2015 ISO 2015Austenitic manganese steel castingsPices moules en acier austnitique au manganseINTERNATIONAL STANDARDISO13521Second edition2015-10-01Reference numberISO 13521:2015(E)BS ISO 13521:2015ISO 13521:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCU

5、MENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written

6、permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 13521:2015ISO

7、13521:2015(E)Foreword iv1 Scope . 12 Normative references 13 General conditions of delivery . 14 Heat treatment . 15 Chemical composition . 16 Mechanical tests 26.1 General . 26.2 Bend test . 26.3 Hardness test 27 Microstructure 28 Supplementary requirements 3Bibliography 4 ISO 2015 All rights reser

8、ved iiiContents PageBS ISO 13521:2015ISO 13521:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. E

9、ach member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internati

10、onal Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the differen

11、t types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall n

12、ot be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is i

13、nformation given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) se

14、e the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 17, Steel, Subcommittee SC 11, Steel castings.This second edition cancels and replaces the first edition (ISO 13521:1999), which has been technically revised with the following changes: 6.3

15、 was revised; Clause 8 was revised; Table 1, grade number was added.iv ISO 2015 All rights reservedBS ISO 13521:2015INTERNATIONAL STANDARD ISO 13521:2015(E)Austenitic manganese steel castings1 ScopeThis International Standard specifies austenitic manganese cast steels for wear-resistant service. The

16、 grades covered by this International Standard will experience maximum service life in applications where the surface of the casting is subject to impact.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its appl

17、ication. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 4990, Steel castings General technical delivery requirementsISO 7438, Metallic materials Bend testISO 6506 (all parts), Metallic

18、 materials Brinell hardness test 3 General conditions of deliveryMaterials furnished according to this International Standard shall conform to the applicable requirements of ISO 4990, including the supplementary requirements that are agreed in the inquiry and purchase order.4 Heat treatmentGrade GX9

19、0MnMo14 can be supplied without heat treatment if the casting thickness is less than 45 mm and the carbon content is less than 0,8 %.Where the thickness is 45 mm or greater and the carbon content is 0,8 % or greater, grade GX90MnMo14, and all other grades, shall be solution treated at temperatures n

20、ot lower than 1 040 C and quenched in water.5 Chemical compositionThe steel shall conform to the requirements for chemical composition specified in Table 1. ISO 2015 All rights reserved 1BS ISO 13521:2015ISO 13521:2015(E)Table 1 Chemical composition, in % by massGrade designation C Si Mn P S Cr Mo N

21、iName Number max. max. GX120MnMo71 1.3415 1,051,350,30,96,08,00,060 0,045 0,91,2GX110MnMo131 1.3416 0,751,350.30,911,014,00,060 0,045 0,91,2GX100Mn13a1.3406 0,901,050,30,911,014,00,060 0,045GX120Mn13a1.3802 1,051,350,30,911,014,00,060 0,045GX120MnCr132 1.3410 1,051,350,30,911,014,00,060 0,045 1,52,5

22、GX120MnNi133 1.3425 1,051,350,30,911,014,00,060 0,045 3,04,0GX120Mn18a1.3407 1,051,350,30,916,019,00,060 0,045GX90MnMo14 1.3417 0,701,000,30,613,015,00,070 0,045 1,01,8GX120MnCr182 1.3411 1,051,350,30,916,019,00,060 0,045 1,52,5aThese grades are sometimes used for non-magnetic service.6 Mechanical t

23、ests6.1 GeneralMechanical tests at room temperature shall be performed when agreed upon between the purchaser and manufacturer.6.2 Bend testBend tests shall be carried out in accordance with ISO 7438. The type and location of bend test pieces shall be agreed between the manufacturer and purchaser. T

24、he test specimen shall withstand bending at room temperature (18 C to 28 C) through 150 C without breaking into two or more pieces. Surface cracks produced by bending are not considered as failure if the test specimen remains in one piece.6.3 Hardness testHardness tests shall be carried out in accor

25、dance with ISO 6506. The hardness shall be a maximum of 300 HBW, unless otherwise agreed between the manufacturer and purchaser. When machining of castings is required, it might be necessary to control hardness. In this case, hardness tests shall be carried out after heat treatment and prior to mach

26、ining.7 MicrostructureMetallographic examination shall be performed when agreed upon between the manufacturer and purchaser. Standard microstructure charts can be agreed between the manufacturer and purchaser.2 ISO 2015 All rights reservedBS ISO 13521:2015ISO 13521:2015(E)8 Supplementary requirement

27、sA list of normative supplementary requirements for use at the discretion of the purchaser is included in ISO 4990.Others, whether or not in ISO 4990, can be used with this specification upon agreement between the manufacturer and purchaser. ISO 2015 All rights reserved 3BS ISO 13521:2015ISO 13521:2

28、015(E)Bibliography1 EN 10349:2009, Steel castings Austenitic manganese steel castings4 ISO 2015 All rights reservedBS ISO 13521:2015BS ISO 13521:2015ISO 13521:2015(E) ISO 2015 All rights reservedICS 77.140.80Price based on 4 pagesThis page deliberately left blankBSI is the national body responsible

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