CPC C21D 9/52 (2013.01) [C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); H01F 1/147 (2013.01)] | 13 Claims |
1. A method of making a soft, metallic, and magnetic intermediate product, the method comprising the steps of:
manufacturing or providing a metallic, rollable blank,
prerolling the metallic blank with a defined degree of deformation to an intermediate thickness, the defined degree of deformation being matched to a critical or postcritical degree of rolling to be maintained during subsequent rolling,
heat treating the prerolled blank,
rolling the heat-treated blank with a critical or postcritical degree of rolling to a final thickness,
thereafter annealing the rolled blank to set a defined grain size therein, and
finishing the the annealed blank.
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