Process for producing electrical steel sheet

Details Process for producing electrical steel sheet Process for producing electrical steel sheet

C - Chemistry, Metallurgy

21

D

148/8

C21D 8/12 (2006.01) C21D 1/26 (2006.01) C21D 8/02 (2006.01)

Patent

CA 1254492

PROCESS FOR PRODUCING ELECTRICAL STEEL SHEET Abstract of the Disclosure A process for the production of an electrical steel sheet having the ideal (100) (001) cube texture of iron of iron alloy, comprising cold rolling a sheet of a single crystal or large grained crystals of iron or iron alloy, in which said single crystal is or a majority of said large grained crystals are oriented so that the pole of the {114} plane may form an angle not greater than 15° with the normal direction ofthe plane of the sheet. and the <401> direction may form an angle not greater than 15° with a single direction in the plane of the sheet, in said single direction at a rolling reduction of at least 40 %, and annealing the rolled sheet to form a primary recrystallization texture of fine grains of an average grain size of not larger than 5 mm under conditions preventing the occurance of secondary recrystallization.

511017

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