IEC 60404-8-8:2017
Current
The latest, up-to-date edition.
Magnetic materials - Part 8-8: Specifications for individual materials - Thin electrical steel strip and sheet for use at medium frequencies
Hardcopy , PDF
English
19-09-2017
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Designation
6 General requirements
7 Technical requirements
8 Inspection and testing
9 Marking, labelling and packaging
10 Complaints
11 Information to be supplied by the purchaser
Annex A (informative) - Optional stacking factor for
non-oriented coated products
Annex B (informative) - Optional magnetic specifications
Annex C (informative) - Calculation of density values
Bibliography
IEC 60404-8-8:2017(E) defines the grades of thin non-oriented electrical steel strip and sheet in nominal thicknesses of 0,05 mm, 0,10 mm, 0,15 mm, 0,20 mm, 0,25 mm, 0,30 mm and 0,35 mm and of thin grain-oriented electrical steel strip and sheet in nominal thicknesses of 0,05 mm, 0,10 mm, 0,15 mm and 0,18 mm. In particular, it gives general requirements, magnetic properties, geometric characteristics and tolerances, technological characteristics, as well as inspection procedures.
NOTE For thin non-oriented electrical steel strip and sheet, other nominal thicknesses (i.e. 0,12 mm, 0,18 mm, 0,23 mm and 0,27 mm) can be agreed between the manufacturer and the purchaser.
This document applies to electrical steel strip and sheet supplied in the finally annealed condition in coils or sheets and intended for the construction of magnetic circuits predominantly used at frequencies in the range from 100 Hz to 10 kHz.
This edition includes the following significant technical changes with respect to the previous edition:
- extension of the range of electrical steels to include the improved grades.
| Committee |
TC 68
|
| DevelopmentNote |
Stability Date: 2022. (09/2017)
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-4805-8
|
| Pages |
21
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Supersedes |
This part of IEC 60404 defines the grades of thin non-oriented electrical steel strip and sheet
in nominal thicknesses of 0,05 mm, 0,10 mm, 0,15 mm, 0,20 mm, 0,25 mm, 0,30 mm and
0,35 mm and of thin grain-oriented electrical steel strip and sheet in nominal thicknesses of
0,05 mm, 0,10 mm, 0,15 mm and 0,18 mm. In particular, it gives general requirements,
magnetic properties, geometric characteristics and tolerances, technological characteristics,
as well as inspection procedures.NOTE For thin non-oriented electrical steel strip and sheet, other nominal thicknesses (i.e. 0,12 mm, 0,18 mm,
0,23 mm and 0,27 mm) can be agreed between the manufacturer and the purchaser This document applies to electrical steel strip and sheet supplied in the finally annealed
condition in coils or sheets and intended for the construction of magnetic circuits
predominantly used at frequencies in the range from 100 Hz to 10 kHz.
| Standards | Relationship |
| BS IEC 60404-8-8:2017 | Identical |
| BS EN 50428:2005+A2:2009 | Identical |
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