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IEC_60404-1-2016.pdf

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1、 IEC 60404-1 Edition 3.0 2016-10 INTERNA TIONAL STA NDA RD Magnetic materials Part 1:Classification IEC 60404-1:2016-10(en)THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no par t of this publication may be reproduced or u

2、tilized in any for m or by any means,electronic or mechanical,including photocopying and microfilm,without per mission in writing fr om either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additi

3、onal r ights to this publication,please contact the address below or your local IEC member National Committee for further infor mation.IEC Centr al Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About t he IEC The International E

4、lectr otechnical Commission(IEC)is the leading global organization that prepar es and publishes Inter national Standards for all electr ical,electronic and related technologies.A bout IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur

5、e that you have the latest edition,a cor rigenda or an amendment might have been published.IEC Cat alogue-webstore.iec.ch/cat alogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical R eports and other

6、documents.A v ailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publications search-w w w.iec.ch/searchpub The adv anced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projec ts,replaced and withdrawn public

7、ations.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.A v ailable online and also once a month by email.Elect ropedia-w w w.elect ropedia.org The worlds leading online dic tionary of elec tronic and el

8、ectrical terms containing 20 000 terms and definitions in English and French,with equiv alent terms in 15 additional languages.Also known as the International Electrotechnical Vocabulary (IEV)online.IEC Glossar y-st d.iec.ch/glossary 65 000 elec trotechnical terminology entries in English and French

9、 extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries hav e been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Service Cent re-webstore.iec.ch/csc If y ou wish to giv e us y our feedback on this publication or need further

10、 assistance,please contact the Customer Serv ice Centre:csciec.ch.IEC 60404-1 Edit ion 3.0 2016-10 INTER NA TIONAL STA NDA R D Magnetic materials Part 1:Classification INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.030 ISBN 978-2-8322-3671-0 R egist er ed tr ademar k of t he Int er national Electr

11、 ot echnical Commission W arning!Make sure that y ou obtained this publication from an authorized distributor.2 IEC 60404-1:2016 IEC 2016 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 Magnetically soft materials(coercivity 1 kA/m).8 4.1 Class A Irons.8 4.1.1 Refe

12、rence documents.8 4.1.2 Chemical composition.8 4.1.3 Basis of subclassification.8 4.1.4 Available forms.8 4.1.5 Physical characteristics.8 4.1.6 Main applications.8 4.2 Class B Low carbon mild steels.9 4.2.1 Class B1 Bulk material.9 4.2.2 Class B2 Flat material.9 4.3 Class C Silicon steels.10 4.3.1

13、Class C1 Bulk material.10 4.3.2 Class C2 Flat material.11 4.4 Class D Other steels.16 4.4.1 Class D1 Bulk material.16 4.4.2 Class D2 Flat material.18 4.4.3 Class D3 Stainless steels.18 4.5 Class E Nickel-iron alloys.19 4.5.1 Class E1 Nickel content 70%to 85%.19 4.5.2 Class E2 Nickel content 54%to 68

14、%.20 4.5.3 Class E3 Nickel content 40%to 51%.21 4.5.4 Class E4 Nickel content 35%to 40%.22 4.5.5 Class E5 Nickel content 29%to 33%.23 4.6 Class F Iron-cobalt alloys.24 4.6.1 Class F1 Cobalt content 47%to 50%.24 4.6.2 Class F2 Cobalt content 35%.24 4.6.3 Class F3 Cobalt content 23%to 30%.25 4.7 Class

15、 G Other alloys.26 4.7.1 Class G1 Aluminium-iron alloys.26 4.7.2 Class G2 Aluminium-silicon-iron alloys.27 4.8 Class H Magnetically soft materials made by powder metallurgical techniques.27 4.8.1 Class H1 Soft ferrites.27 4.8.2 Class H2 Magnetically soft sintered materials.29 4.8.3 Class H3 Powder c

16、omposites.29 4.9 Class I Amorphous soft magnetic materials.30 4.9.1 General.30 4.9.2 Class I1 Iron-based amorphous alloys.30 4.9.3 Class I2 Cobalt-based amorphous alloys.31 4.9.4 Class I3 Nickel-based amorphous alloys.32 4.10 Class J Nano-crystalline soft magnetic materials.33 IEC 60404-1:2016 IEC 2016 3 4.10.1 Reference document.33 4.10.2 Production process.33 4.10.3 Chemical composition.33 4.10.4 Basis of subclassification.33 4.10.5 Available forms.33 4.10.6 Physical characteristics.33 4.10.7

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