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IEC 60404-9 Ed. 2.0 b:2018

Magnetic materials - Part 9: Methods of determination of the geometrical characteristics of electrical steel strip and sheet

International Electrotechnical Commission , 11/28/2018

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IEC 60404-9 Ed. 2.0 b:2018 specifies the measurement and test methods for the determination of the following geometrical characteristics of electrical steel strip and sheet:

edge wave (wave factor);
residual curvature;
edge camber;
deviation from the shearing line (internal stress);
burr height.

This document applies to electrical steel strip and sheet intended for the construction of magnetic circuits and corresponding to Classes B2, C21, C22 and C23 of IEC 60404-1.