Processing for cube-on-edge oriented silicon steel

Details Processing for cube-on-edge oriented silicon steel Processing for cube-on-edge oriented silicon steel

C - Chemistry, Metallurgy

22

C

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C22C 38/02 (2006.01) C21D 3/04 (2006.01) C21D 8/12 (2006.01) H01F 1/04 (2006.01)

Patent

CA 1057173

PROCESSING FOR CUBE-ON-EDGE ORIENTED SILICON STEEL ABSTRACT OF THE DISCLOSURE A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen and from 2.5 to 4.0% silicon; casting said steel; hot rolling said steel; cold rolling said steel; decarburizing said steel to a carbon level below 0.02% in a hydrogen-bearing atmosphere having a dew point of from +20°F to +60°F; and final texture annealing said steel.

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