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

148/8

C21D 8/12 (2006.01) C21D 3/04 (2006.01) C22C 38/02 (2006.01)

Patent

CA 2040245

In grain oriented silicon steel sheets containing MnSe as a main inhibitor, an iron loss is reduced by increasing the magnetic flux density and realizing the thinning of product thickness and fine division of crystal grains while utilizing the stability of secondary recrystallization as a merit of such a sheet. In this case, 0.02-0.30% of Cu is added to a slab of the above grain oriented silicon steel, and particularly the decarburization annealing and/or the final finish annealing are carried out under particular conditions.

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