... Ton 5.ROHS cetification EI-38.4 CRNGO silicon steel lamination1.Size:A38.4mmB52mmC12.8mmD6.4mmE6.4mmF38.4mmG45. ... ,EI174,EI180,EI192, EI210 ,EI2404.Variety of Silicon steel grade :A)Wisco:50ww1300,50ww800,50ww600,50ww470,50ww400,50ww350B) ... B50A470, B35A550, B35A440C)Tai steel :50TW800, 50TW600, 50TW1000, 50TW470D)Ma steel:M50W470,M50W6005.Widely used in the Transformer Core CRGO I steel lamination