Magnetic materials - Part 9: Methods of determination of the 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.
This edition includes the following significant technical changes with respect to the previous edition:
a. revision of terms and definitions;
b. specification of the length of test specimens for the determinations of edge wave (wave factor) and edge camber;
c. addition of the horizontal method for the determination of residual curvature, and a note that informs about a safety concern of the vertical method;
d. clarification that the burr height was characterized by the maximum value;
e. addition of the measuring procedure using a hand-held micrometer to determine the burr height.
|Publication type||International Standard|
|TC/SC||TC 68 - Magnetic alloys and steelsrss|
|ICS||29.030 - Magnetic materials
77.140.50 - Flat steel products and semi-products
|File size||4093 KB|
The following test report forms are related:
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