| 摘要 |
PURPOSE:To produce a satisfactory electric steel plate. CONSTITUTION:Steel contg. limited amts. or less of C, Si, Mn, S, Al, N, O and H besides 0.1-2.0% Ni is heated to 950-1,150 deg.C, rolled in >=0.6 rolling shape ratio at >=800 deg.C and further rolled at 35-70% draft at <=800 deg.C. The resulting plate is subjected to dehydrogenation heat treatment, annealing or normalizing in accordance with the thickness to obtain a satisfactory electric steel plate having superior magnetic characteristics in a medium magnetic field and low coercive force. |
