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Description of 21/30437417 DC 2021This document defines the steel grades of grain-oriented electrical steel strip and sheet in nominal thicknesses of 0,20Â mm, 0,23Â mm, 0,27Â mm, 0,30Â mm and 0,35Â 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 three classes:
They correspond to Class C22 of IEC 60404‑1 .
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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