Method of producing cube-on-edge oriented silicon steel from...

C - Chemistry – Metallurgy – 21 – D

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C21D 8/12 (2006.01) H01F 1/04 (2006.01)

Patent

CA 1270728

METHOD OF PRODUCING CUBE-ON-EDGE ORIENTED SILICON STEEL FROM STRAND CAST SLAB ABSTRACT OF THE DISCLOSURE A method of producing cube-on-edge oriented silicon steel strip and sheet from strand cast slabs, wherein a slab is prerolled at a temperature not exceeding 1673°K with a reduction in thickness up to 50%, and the prerolled slab is reheated to a temperature between 1533° and 1673°K prior to hot rolling. The slab prerolling temperature, percentage of reduction in prerolling, and the reheat temperature are correlated in accordance with a specific equation in order to control the strain rate during prerolling and to obtain an average grain diameter not exceeding about 9 mm after reheating.

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