SIST EN 60404-2:2002/A1:2008

Magnetic materials -- Part 2: Methods of measurement of the magnetic properties of electrical steel sheet and strip by means of an Epstein frame

The contents of the corrigendum of March 2018 have been included in this copy.

Magnetische Werkstoffe -- Teil 2: Verfahren zur Bestimmung der magnetischen Eigenschaften von Elektroblech und -band mit Hilfe eines Epsteinrahmens

Matériaux magnétiques -- Partie 2: Méthodes de mesure des propriétés magnétiques des tôles et bandes magnétiques au moyen d'un cadre Epstein

Le contenu du corrigendum de mars 2018 a été pris en considération dans cet exemplaire.

Magnetni materiali - 2. del: Metode za merjenje magnetnih lastnosti električnih jeklenih pločevin in trakov s pomočjo Epsteinovega okvira (IEC 60404-2:1996/A1:2008)

General Information

• Status: Published
• Publication Date: 22-Sep-2008
• ICS: 17.220.20 - Measurement of electrical and magnetic quantities
• ICS: 29.030 - Magnetic materials
• Technical Committee: I11 - Imaginarni 11
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 15-Sep-2008
• Due Date: 20-Nov-2008
• Completion Date: 23-Sep-2008
• Ref Project: EN 60404-2:1998/A1:2008 - Magnetic materials - Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame

Relations

• Amends: SIST EN 60404-2:2002 - Magnetic materials -- Part 2: Methods of measurement of the magnetic properties of electrical steel sheet and strip by means of an Epstein frame
• Effective Date: 01-Nov-2008
• Corrected By: SIST EN 60404-2:2002/A1:2008/AC:2018 - Magnetic materials - Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame (IEC 60404-2:1996/A1:2008/COR1:2018)
• Effective Date: 03-Apr-2018

Overview

EN 60404-2:1998/A1:2008 (IEC 60404-2:1996/A1:2008) is a CLC/CENELEC amendment that specifies methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame. This amended edition was approved in 2008 and the copy includes the corrigendum of March 2018. The amendment aligns the European standard with the corresponding IEC text and adds important guidance on modern measurement techniques.

Key Topics

• Scope and status: Amendment A1 modifies EN 60404-2:1998 and was adopted without change. National implementation and withdrawal schedules are defined by CENELEC regulations.
• Measurement procedures: Standard covers procedures for determining magnetic parameters of electrical steel using an Epstein frame, including measurement of specific total loss, peak flux density and magnetic field strength.
• Digital sampling methods: Annex A (informative) details the application of digital sampling for voltage and current waveform acquisition, sampling rate and synchronization, amplitude resolution, anti-aliasing, and the point-by-point numerical calculation of losses and flux.
• Instrumentation and notes: Notes were introduced on voltage, frequency and power measurement to reference digital sampling practice. Calibration and verification requirements for repeatability and reproducibility are emphasised.
• Normative references: The amendment updates normative references to related IEC publications (for example IEC 60050-221, IEC 60404-4, IEC 60404-8-x series, IEC 60404-10, IEC 60404-13).

Applications

EN 60404-2:1998/A1:2008 is used by laboratories, manufacturers and quality teams involved in magnetic materials testing. Typical applications include:

• Material characterization for electrical steels (loss, flux density, H-field)
• Quality control and incoming inspection of strip and sheet materials
• Product development and comparative evaluation of grades (non-oriented and grain-oriented steels)
• Test method harmonization for compliance with IEC/CENELEC requirements
• Implementation of digital data acquisition systems for wattmeter-grade measurements

The addition of Annex A supports adoption of modern data acquisition (ADC/DSP) techniques while highlighting pitfalls (aliasing, insufficient bit resolution, phase shifts) and calibration needs.

Related Standards

Key related IEC/EN documents referenced in the amendment include:

• IEC 60050-221 - International Electrotechnical Vocabulary: Magnetic materials and components
• IEC 60404-4 / EN 60404-4 - d.c. magnetic properties methods
• IEC 60404-8-3 / 8-4 / 8-7 - Specifications for individual electrical steel materials
• IEC 60404-10 - Measurement at medium frequencies
• IEC 60404-13 / EN 60404-13 - Density, resistivity and stacking factor methods

Practical value

This standard provides a harmonised, reproducible procedure to obtain trustworthy magnetic property data for electrical steels. Its practical guidance on digital sampling, calibration and traceability helps laboratories reduce measurement uncertainty and integrate modern acquisition systems while remaining compliant with IEC/CENELEC rules.

For implementation, users should combine the procedural clauses of the main standard with the informative guidance of Annex A and follow the referenced normative documents for material specifications and complementary measurement methods.

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2008
0DJQHWQLPDWHULDOLGHO0HWRGH]DPHUMHQMHPDJQHWQLKODVWQRVWLHOHNWULþQLK
MHNOHQLKSORþHYLQLQWUDNRYVSRPRþMR(SVWHLQRYHJDRNYLUD,(&
$
Magnetic materials - Part 2: Methods of measurement of the magnetic properties of
electrical steel sheet and strip by means of an Epstein frame (IEC 60404-
2:1996/A1:2008)
Magnetische Werkstoffe - Teil 2: Verfahren zur Bestimmung der magnetischen
Eigenschaften von Elektroblech und -band mit Hilfe eines Epsteinrahmens (IEC 60404-
2:1996/A1:2008)
Matériaux magnétiques - Partie 2: Méthodes de mesure des propriétés magnétiques des
tôles et bandes magnétiques au moyen d'un cadre Epstein (CEI 60404-2:1996/A1:2008)
Ta slovenski standard je istoveten z: EN 60404-2:1998/A1:2008
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
29.030 Magnetni materiali Magnetic materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60404-2/A1
NORME EUROPÉENNE
July 2008
EUROPÄISCHE NORM
ICS 29.030; 17.220.20
English version
Magnetic materials -
Part 2: Methods of measurement of the magnetic properties
of electrical steel sheet and strip by means of an Epstein frame
(IEC 60404-2:1996/A1:2008)
Matériaux magnétiques -  Magnetische Werkstoffe -
Partie 2: Méthodes de mesure Teil 2: Verfahren zur Bestimmung
des propriétés magnétiques des tôles der magnetischen Eigenschaften
et bandes magnétiques au moyen von Elektroblech und -band
d'un cadre Epstein mit Hilfe eines Epsteinrahmens
(CEI 60404-2:1996/A1:2008) (IEC 60404-2:1996/A1:2008)

This amendment A1 modifies the European Standard EN 60404-2:1998; it was approved by CENELEC on
2008-06-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment 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 Central Secretariat or to any CENELEC member.

This amendment 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
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60404-2:1998/A1:2008 E

Foreword
The text of document 68/365/FDIS, future amendment 1 to IEC 60404-2:1996, prepared by IEC TC 68,
Magnetic alloys and steels, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as amendment A1 to EN 60404-2:1998 on 2008-06-01.
The following dates were fixed:
– latest date by which the amendment has to be
implemented at national level by publication of
an identical national standard or by endorsement (dop) 2009-03-01
– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2011-06-01
__________
Endorsement notice
The text of amendment 1:2008 to the International Standard IEC 60404-2:1996 was approved by
CENELEC as an amendment to the European Standard without any modification.
__________
- 3 - EN 60404-2:1998/A1:2008
Replace Annex ZA of EN 60404-2:1998 by:
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

1)
IEC 60050-221 - International Electrotechnical Vocabulary - -
(IEV) -
Chapter 221: Magnetic materials and
components
1) 2)
IEC 60404-4 - Magnetic materials - EN 60404-4 1997
Part 4: Methods of measurement of d.c.
magnetic properties of magnetically soft
materials
1)
IEC 60404-8-3 - Magnetic materials - - -
Part 8-3: Specifications for
individual materials - Cold-rolled electrical
non-alloyed and alloyed steel sheet and strip
delivered in the semi-processed state

1)
IEC 60404-8-4 - Magnetic material - - -
Part 8-4: Specifications for
individual materials - Cold-rolled non-oriented
electrical steel sheet and strip delivered in the
fully-processed state
1)
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

1)
IEC 60404-10 - Magnetic materials - - -
Part 10: Methods of measurement of magnetic
properties of magnetic steel sheet and strip at
medium frequencies
1) 2)
IEC 60404-13 - Magnetic materials - EN 60404-13 2007
Part 13: Methods of measurement of density,
resistivity and stacking factor of electrical steel
sheet and strip
1)
Undated reference.
2)
Valid edition a date of issue.

IEC 60404-2
Edition 3.0 2008-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Magnetic materials –
Part 2: Methods of measurement of magnetic properties of electrical steel strip
and sheet by means of an Epstein frame

Matériaux magnétiques –
Partie 2: Méthodes de mesure des propriétés magnétiques des bandes et tôles
magnétiques en acier au moyen d'un cadre Epstein

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
G
CODE PRIX
ICS 29.030; 17.220.20 ISBN 2-8318-9724-6

– 2 – 60404-2 Amend. 1 © IEC:2008
FOREWORD
This amendment has been prepared by IEC technical committee 68: Magnetic alloys and steels.
The text of this amendment is based on the following documents:
FDIS Report on voting
68/365/FDIS 68/369/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
Title
In the title of the standard, replace “steel sheet and strip” with “steel strip and sheet”:

Page 7
2 Normative references
Replace the introductory paragraph and the existing references by the following:
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 60050-221, International Electrotechnical Vocabulary – Chapter 221: Magnetic materials
and components
IEC 60404-4, Magnetic materials – Part 4: Methods of measurement of d.c. magnetic
properties of magnetically soft materials
IEC 60404-8-3, Magnetic materials – Part 8-3: Specifications for 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 sheet and strip 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 sheet and strip delivered in the fully-processed state

60404-2 Amend. 1 © IEC:2008 – 3 –
IEC 60404-10, Magnetic materials – Part 10: Methods of measurement of magnetic properties
of magnetic sheet and strip at medium frequencies
IEC 60404-13, Magnetic materials – Part 13: Methods of measurement of density, resistivity
and stacking factor of electrical steel sheet and strip

Page 15
3.6 Voltage measurement
Introduce, after the existing paragraph, and before 3.6.1, the following note:
NOTE For the application of digital sampling methods, see Annex A.

3.7 Frequency measurement
Introduce, after the existing paragraph, the following note:
NOTE For the application of digital sampling methods, see Annex A.

3.8 Power measurement
Introduce, after the first paragraph, the following note:
NOTE For the application of digital sampling methods, see Annex A.

4 Procedure for the measurement of the specific total lo
...