磁性材料.第8-4部分:单项材料规格.以全加工状态交货的冷轧非定向电工钢片和钢带

[中文适用范围]： IEC 60404 的这一部分定义了标称厚度为 0.35 毫米、0.50 毫米、0.65 毫米和 1.00 毫米的冷轧无取向电工钢带和薄板的等级。它特别规定了一般要求、磁性能、几何特性和公差、技术特性以及检验程序。该标准在表 2 中给出了仅在 60 Hz 下使用的标称厚度 0.47 mm 的冷轧无取向电工钢带和板材的磁性能。本标准适用于在完全退火状态下供应的用于构建磁路的材料。它不适用于半加工材料。这些磁性材料符合 IEC 60404-1 的 C.21 类。 [外文原描述]： IEC 60404-8-4:2013 defines the grades of cold-rolled non-oriented electrical steel strip and sheet in nominal thicknesses of 0,35 mm, 0,50 mm, 0,65 mm and 1,00 mm. It specifies general requirements, the magnetic properties, geometric characteristics and tolerances, and technological characteristics, as well as the inspection procedure. This standard applies to materials supplied in the fully annealed condition intended for the construction of magnetic circuits. It does not apply to semi-processed material. This edition includes the following significant technical changes with respect to the previous edition: - Deletion of the dates for all normative references; - Introduction of the new grades M210-35A 5 and M230-50A 5.