Patent ID: 8210231
Filing Date: 2012-07-03
Classification: B22D,C21C,C22C,H01F

Abstract:
1. A cast slab of non-oriented electrical steel, containing: in mass %, Si: not less than 0.1% nor more than 7.0%; Mn: 0.1% or more; Al: not less than 0.2% nor more than 5.0%; Cr: not less than 0.1% nor more than 10%; and REM: not less than 0.0005% nor more than 0.03%, C content being 0.005% or less, P content being 0.2% or less, S content being 0.005% or less, N content being 0.005% or less, O content being 0.005% or less, and a balance being composed of Fe and inevitable impurities, wherein a number density of AlN inclusions is 10