IEC 60404的本部分定义了冷轧晶粒取向电工钢带和钢带的等级 标称厚度为0.20mm、0.23mm、0.27mm、0.30mm和0.35mm的板材。在里面 特别是，它给出了一般要求、磁性、几何特征， 公差和技术特征，以及检查程序。 本文件适用于提供的Goss纹理取向电工钢带和薄板 在线圈或薄板的最终退火条件下，用于制造磁性材料 电路。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This part of IEC 60404 defines the grades of cold-rolled grain-oriented electrical steel strip and sheet in nominal thicknesses of 0,20 mm, 0,23 mm, 0,27 mm, 0,30 mm and 0,35 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.All current amendments available at time of purchase are included with the purchase of this document.