The permissible flux density in case of cold rolled grain oriented steel is around__________? June 28, 2018 – by admin The permissible flux density in case of cold rolled grain oriented steel is around__________? A. 1.7 Wb/m2 B. 2.7 Wb/m2 C. 3.7 Wb/m2 D. 4.7 Wb/m2