IEC 60404-8-7:2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Magnetic materials - Part 8-7: Specifications for individual materials - Cold-rolled grain-oriented electrical steel strip and sheet delivered in the fully processed state
Hardcopy , PDF
English
15-09-2017
31-12-2021
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
Bibliography
IEC 60404-8-7:2017 defines the grades of cold-rolled grain-oriented electrical steel strip and sheet in nominal thicknesses of 0,23 mm, 0,27 mm, 0,30 mm and 0,35 mm. In particular, it gives general requirements, magnetic properties, geometric characteristics, tolerances and technological characteristics, as well as inspection procedures. This document applies to Goss textured grain-oriented electrical steel strip and sheet supplied in the final annealed condition in coils or sheets, and intended for the construction of magnetic circuits.
The grades are grouped into two classes:
– conventional grades;
– high permeability grades, including grades which may be delivered in the domain refined condition. They correspond to Class C22 of IEC 60404-1.
This fourth edition cancels and replaces the third edition published in 2008. This edition constitutes a technical revision. 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: 2020. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
19
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN 46400-3:1989-04 | Similar to |
| NEN IEC 60404-8-7 : 2008 | Identical |
| BS EN 61290-3-2:2008 | Identical |
| SAC GB/T 25212 : 2016 | Identical |
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