1.Non-Grain Oriented Electrical Silicon Steel strip 2.Grade:50w470,50w600,50w800,50w1300 ... physical dimensions of the increasingly powerful equipment now demanded Silicon Steel Coils 1. Form "Bao Steel"2. From ... 3. From "An Steel"4. From "Wu Steel" (WISCO) Silicon Steel Coils: a) Bao steel: B50A1000, B50A800, B50A600, B50A470 ... crease, no bubble cell, no delamination defects. silicon steel strip 50ww470