IEC-60404-8-7-2008.pdf
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1、 IEC 60404-8-7 Edition 3.0 2008-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Magnetic materials Part 8-7: Specifications for individual materials Cold-rolled grain-oriented electrical steel strip and sheet delivered in the fully-processed state Matriaux magntiques Partie 8-7: Spcifications pour ma
2、triaux particuliers Bandes et tles magntiques en acier grains orients, lamines froid et livres ltat fini IEC 60404-8-7:2008 -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reprod
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15、nde de termes lectroniques et lectriques. Il contient plus de 20 000 termes et dfinitions en anglais et en franais, ainsi que les termes quivalents dans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International en ligne. ? Service Clients: www.iec.ch/webstore/custserv/cu
16、stserv_entry-f.htm Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60404-8-7 Edition 3.0 2008-05 INTERNATIONAL STANDARD NORME INTERNA
17、TIONALE Magnetic materials Part 8-7: Specifications for individual materials Cold-rolled grain-oriented electrical steel strip and sheet delivered in the fully-processed state Matriaux magntiques Partie 8-7: Spcifications pour matriaux particuliers Bandes et tles magntiques en acier grains orients,
18、lamines froid et livres ltat fini INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE R ICS 29.030 PRICE CODE CODE PRIX ISBN 2-8318-9793-9 2 60404-8-7 IEC:2008 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Terms and definitions .7 4 Classification7 5 Desi
19、gnation 7 6 General requirements.8 6.1 Production process8 6.2 Form of supply 8 6.3 Delivery condition9 6.4 Surface condition 9 6.5 Suitability for cutting9 7 Technical requirements 9 7.1 Magnetic properties.9 7.1.1 General .9 7.1.2 Magnetic polarization.9 7.1.3 Specific total loss 11 7.2 Geometric
20、characteristics and tolerances 11 7.2.1 Thickness11 7.2.2 Width.12 7.2.3 Length.12 7.2.4 Edge camber .13 7.2.5 Flatness (wave factor) .13 7.2.6 Residual curvature 13 7.2.7 Burr height 13 7.3 Technological characteristics 13 7.3.1 Density13 7.3.2 Stacking factor 13 7.3.3 Number of bends .13 7.3.4 Int
21、ernal stresses13 7.3.5 Insulation coating resistance .13 8 Inspection and testing 14 8.1 General.14 8.2 Selection of samples .14 8.3 Preparation of test specimens .14 8.3.1 Magnetic properties.14 8.3.2 Geometrical characteristics and tolerances15 8.3.3 Technological characteristics.15 8.4 Test metho
22、ds 16 8.4.1 General .16 8.4.2 Magnetic properties.16 8.4.3 Geometrical characteristics and tolerances16 8.4.4 Technological characteristics.17 8.5 Retests17 9 Marking, labelling and packaging17 10 Complaints .17 60404-8-7 IEC:2008 3 11 Information to be supplied by the purchaser .18 Annex A (informa
23、tive) European steel designation .19 Table 1 Technological and magnetic properties of the conventional grades of grain- oriented material.10 Table 2 Technological and magnetic properties of the high permeability grades of grain-oriented material11 Table 3 Tolerances on nominal width.12 Table A.1 Eur
24、opean steel designation19 -,-,- 4 60404-8-7 IEC:2008 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MAGNETIC MATERIALS Part 8-7: Specifications for individual materials Cold-rolled grain-oriented electrical steel strip and sheet delivered in the fully-processed state FOREWORD 1) The International Elect
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