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CEN
CEN/TC 459/SC 8 Steel sheet and strip for electrical applications
European Norm
77.140.40 Steels with special magnetic properties | 77.140.50 Flat steel products and semi-products
This document defines the grades of thin non-oriented magnetic steel strip and sheet in nominal thicknesses of 0,10 mm, 0,15 mm, 0,20 mm, 0,25 mm, 0,27 mm, 0,30 mm and 0,35 mm, and of thin grain-oriented magnetic steel strip and sheet in nominal thicknesses of 0,10 mm, 0,15 mm and 0,18 mm. In particular, it gives general requirements, magnetic properties, geometric characteristics and tolerances and technological characteristics, as well as inspection procedure.
This document applies to magnetic steel strip and sheet supplied in the finally annealed condition in coils and intended for the construction of magnetic circuits used at frequencies equal to or higher than 100 Hz.
PUBLISHED
EN 10303:2015
IN_DEVELOPMENT
prEN 10303
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Close of voting
Sep 10, 2026