IEC 60404-8-4:2013 defines the grades of cold-rolled non-oriented electrical steel strip and sheet in nominal thicknesses of 0,35 mm, 0,50 mm, 0,65 mm and 1,00 mm. It specifies general requirements, the magnetic properties, geometric characteristics and tolerances, and technological characteristics, as well as the inspection procedure. This standard applies to materials supplied in the fully annealed condition intended for the construction of magnetic circuits. It does not apply to semi-processed material. This edition includes the following significant technical changes with respect to the previous edition:
- Deletion of the dates for all normative references;
- Introduction of the new grades M210-35A 5 and M230-50A 5.
- Deletion of the dates for all normative references;
- Introduction of the new grades M210-35A 5 and M230-50A 5.
IEC 60404-8-4 Ed. 3.0 b:2013 History
IEC 60404-8-4 Ed. 4.0 b:2022
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IEC 60404-8-4 Ed. 3.0 b:2013
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IEC 60404-8-4 Ed. 2.0 b:1998
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