EN 60404-8-6:2017

SLOVENSKI STANDARD
01-junij-2017
1DGRPHãþD
SIST EN 60404-8-6:2009
Magnetni materiali - 8-6. del: Specifikacije za posamezne materiale -
Mehkomagnetni kovinski material (IEC 60404-8-6:2016)
Magnetic materials - Part 8-6: Specifications for individual materials - Soft magnetic
metallic materials (IEC 60404-8-6:2016)
Magnetische Werkstoffe - Teil 8-6: Anforderungen an einzelne Werkstoffe -
Weichmagnetische metallische Werkstoffe (IEC 60404-8-6:2016)
Matériaux magnétiques - Partie 8-6: Spécifications pour matériaux particuliers -
Matériaux métalliques magnétiquement doux (IEC 60404-8-6:2016)
Ta slovenski standard je istoveten z: EN 60404-8-6:2017
ICS:
29.030 Magnetni materiali Magnetic materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60404-8-6

NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2017
ICS 29.030 Supersedes EN 60404-8-6:2009
English Version
Magnetic materials - Part 8-6: Specifications for individual
materials - Soft magnetic metallic materials
(IEC 60404-8-6:2016)
Matériaux magnétiques - Partie 8-6: Spécifications pour Magnetische Werkstoffe - Teil 8-6: Anforderungen an
matériaux particuliers - Matériaux métalliques einzelne Werkstoffe - Weichmagnetische metallische
magnétiquement doux Werkstoffe
(IEC 60404-8-6:2016) (IEC 60404-8-6:2016)
This European Standard was approved by CENELEC on 2017-01-12. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60404-8-6:2017 E
European foreword
The text of document 68/528/CDV, future edition 3 of IEC 60404-8-6, prepared by IEC/TC 68
"Magnetic alloys and steels" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 60404-8-6:2017.
The following dates are fixed:
(dop) 2017-10-21
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-04-21
standards conflicting with the
document have to be withdrawn
This document supersedes EN 60404-8-6:2009.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 60404-8-6:2016 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
ISO 286-1:2010 NOTE Harmonized as EN ISO 286-1:2010.

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-121 -  International Electrotechnical Vocabulary - -
(IEV) - Part 121: Electromagnetism
IEC 60050-131 -  International Electrotechnical Vocabulary - -
(IEV) - Part 131: Circuit theory
IEC 60050-221 -  International Electrotechnical Vocabulary - -
(IEV) - Chapter 221: Magnetic materials
and components
IEC 60404-1 -  Magnetic materials - Part 1: Classification - -
IEC 60404-2 -  Magnetic materials - Part 2: Methods of EN 60404-2 -
measurement of the magnetic properties of
electrical steel sheet and strip by means of
an Epstein frame
IEC 60404-4 -  Magnetic materials - Part 4: Methods of EN 60404-4 -
measurement of d.c. magnetic properties
of magnetically soft materials
IEC 60404-6 -  Magnetic materials - Part 6: Methods of EN 60404-6 -
measurement of the magnetic properties of
magnetically soft metallic and powder
materials at frequencies in the range 20 Hz
to 200 kHz by the use of ring specimens
IEC 60404-7 -  Magnetic materials - Part 7: Method of - -
measurement of the coercivity of magnetic
materials in an open magnetic circuit
IEC 60404-8-3 -  Magnetic materials - Part 8-3: - -
Specifications of individual materials -
Cold-rolled electrical non-alloyed and
alloyed steel sheet and strip delivered in
the semi-processed state
IEC 60404-8-4 -  Magnetic materials - Part 8-4: - -
Specifications for individual materials -
Cold-rolled non-oriented electrical steel
strip and sheet delivered in the fully-
processed state
IEC 60404-8-7 -  Magnetic materials - Part 8-7: - -
Specifications for individual materials -
Cold-rolled grain-oriented electrical steel
strip and sheet delivered in the fully-
processed state
IEC 60404-8-8 -  Magnetic materials - Part 8: Specifications - -
for individual materials - Section 8:
Specification for thin magnetic steel strip
for use at medium frequencies
IEC 60404-8-10 -  Magnetic materials - Part 8-10: - -
Specifications for individual materials -
Magnetic materials (iron and steel) for use
in relays
IEC 60404-9 -  Magnetic materials - Part 9: Methods of - -
determination of the geometrical
characteristics of magnetic steel sheet and
strip
IEC 60635 -  Toroidal strip-wound cores made of - -
magnetically soft material
ISO 404 -  Steel and steel products - General - -
technical delivery requirements
ISO 10474 -  Steel and steel products - Inspection - -
documents
IEC 60404-8-6 ®
Edition 3.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Magnetic materials –
Part 8-6: Specifications for individual materials – Soft magnetic metallic

materials
Matériaux magnétiques –
Partie 8-6: Spécifications pour matériaux particuliers – Matériaux métalliques

magnétiquement doux
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.030 ISBN 978-2-8322-3674-1

– 2 – IEC 60404-8-6:2016 © IEC 2016
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviations . 7
3.1 Terms and definitions . 7
3.2 Abbreviations for test specimens . 8
4 Classification . 8
4.1 General . 8
4.2 Alloy class A (irons) . 9
4.3 Alloy class C (silicon steels). 9
4.4 Alloy class E (nickel-iron alloys) . 9
4.5 Alloy class F (cobalt-iron alloys) . 9
5 Designation . 9
6 General requirements . 9
6.1 Chemical composition and production process . 9
6.2 Delivery condition . 10
6.2.1 General . 10
6.2.2 Form of supply . 10
6.2.3 Surface condition . 10
7 Technical requirements . 10
7.1 Magnetic properties . 10
7.2 Geometric characteristics and tolerances . 11
7.2.1 Flat products: sheet, plate and strip . 11
7.2.2 Cold-worked bar, rod and wire . 11
7.2.3 Hot-finished bar . 11
8 Inspection and testing . 11
8.1 General . 11
8.2 Selection of samples . 12
8.2.1 General . 12
8.2.2 Flat products . 12
8.2.3 Long products . 12
8.2.4 Wire. 12
8.3 Magnetic properties . 12
8.3.1 Magnetic testing, DC measurements . 12
8.3.2 Magnetic testing, AC measurements . 12
8.3.3 Test specimens . 12
8.4 Geometric characteristics and tolerances . 12
8.4.1 Thickness of flat products . 12
8.4.2 Width of flat products . 12
8.4.3 Flatness . 12
8.4.4 Edge camber . 13
8.4.5 Dimensions of long products . 13
8.4.6 Straightness of long products . 13
8.5 Retests . 13
9 Complaints . 13
10 Ordering information . 13

IEC 60404-8-6:2016 © IEC 2016 – 3 –
11 Certification . 13
Bibliography . 20

Table 1 – Chemical composition of the allo
...