Method of producing grain oriented silicon steel sheets...

Details Method of producing grain oriented silicon steel sheets... Method of producing grain oriented silicon steel sheets...

C - Chemistry, Metallurgy

21

D

38/7, 148/8

C21D 8/12 (2006.01) C21D 9/46 (2006.01)

Patent

CA 1327507

METHOD OF PRODUCING GRAIN ORIENTED SILICON STEEL SHEETS HAYING IMPROVED MAGNETIC PROPERTIES AND A CONTINUOUS INTERMEDIATE ANNEALING EQUIPMENT THEREFOR Abstract of the Disclosure This invention effectively smoothens the steel sheet surface after final cold rolling by removing oxidation scale produced on the steel sheet surface in the production steps of grain oriented silicon steel sheets, particularly after intermediate annealing and at a stage before the final cold rolling, or further forming grooves onto the steel sheet surface along the rolling direction, and hence can utilize high speed tandem rolling for the final cold rolling, whereby the production of grain oriented silicon steel sheets having excellent magnetic properties is realized in a high productivity.

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