... range of specification. 3)Applicable to all kinds of transformer Silicon steel sheet features:1)Specification: From EI-28 to ... ;0.35mm;0.5mm4)Raw materials ( cold rolled non-oriented silicon steel coils):a) Bao steel: B50A1000, B50A1300, B50AH470, B50AH600, ... Ann steel: 50AW1000,50AW1300c) Wu steel: 50WW1300, 50WW1000, 50WW800d) Imported silicon steel such as POSCO steel5) Applicable to all kinds of ...