| 摘要 |
A grain oriented electrical steel sheet has grooves on one surface of the steel sheet formed for magnetic domain refining, the steel sheet including a forsterite film and a tension coating on front and back surfaces of the steel sheet, wherein the tension coating is applied on a surface with the grooves in a coating amount A (g/m2) and is applied on a surface with no grooves in a coating amount B (g/m2), the coating amounts A and B satisfying (1) and (2): 3@A@8(1); and 1.0<B/A@1.8(2).
|
