... .5mm2.Thickness:0.5mm or 0.35mm 3.wide ranges of size are supplied :EI28,EI30,EI35,EI38.4 ,EI38.4 ... .4,EI162,EI168 EI171 ,EI174,EI180,EI192, EI210 ,EI2404.Variety of Silicon steel grade :A)Wisco:50ww1300,50ww800,50ww600,50ww470,50ww400 ... , 50TW1000, 50TW470D)Ma steel:M50W470,M50W6005.Widely used in the Transformer Core CRGO I steel lamination