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专利的详细说明本专利是关于沿钢板轧向具有(100)易磁化轴即所谓单取向硅钢板的热轧方法。由于单取向硅钢板作为软磁材料主要是使用在变压器及其他电器上,用它作为铁心材料,所以,作为磁性指标的励磁特性和铁损特性必须良好。最近,变压器等电器设备的小型化正在成为重要问题。因此,就必须减少铁心重量。一般来说,减少铁心重量,在高磁场强度的场合必须使用励磁特性优良的即B_8特性高的材料。如若在高磁场使用铁损就要增大,但与B_9特性低的
Description of the Related Art This patent relates to a hot rolling method of rolling a steel sheet to a so-called un-oriented silicon steel sheet having a (100) easily magnetized shaft. As the unoriented silicon steel as a soft magnetic material is mainly used in transformers and other electrical appliances, used as a core material, therefore, as a magnetic indicator of the excitation characteristics and iron loss characteristics must be good. Recently, the miniaturization of electrical equipment such as transformers is becoming an important issue. Therefore, we must reduce the core weight. In general, it is necessary to use a material having high B_8 characteristics, which is excellent in field characteristics, in reducing the weight of the iron core and in the case of high magnetic field strength. If the use of iron in high magnetic field will increase, but with low B_9 characteristics