NON-ORIENTED MAGNETIC STEEL SHEET EXCELLENT IN MAGNETIC PROPERTIES AND DIE STAMPING PROCESSABILITY

摘要

PROBLEM TO BE SOLVED: To provide a non-oriented magnetic steel sheet having excellent magnetic properties as an electrical equipment iron core material and excellent in die stamping processability making molding to an electrical equipment iron core easy.;SOLUTION: There is provided a non-oriented magnetic steel sheet having a steel component containing C:0.003% or less, Si:1.0% to 3.0%, Al:0.1% to 3.0%, Mn:0.1% to 1.0%, satisfying 0.2≤Al/(Si+Al)≤0.6 and consisting the balance Fe with inevitable impurity elements and having yield ratio of 0.6 or more and Vickers hardness of 200 or less.;COPYRIGHT: (C)2016,JPO&INPIT