... 3) Applicable to all kinds of transformer core EI Lamination Features:1)Specification: From EI-28 to EI- ... B50AH600, B50AH800, B35A270,B35A300b) Ann steel: 50AW1000,50AW1300c) Wu steel: 50WW1300, 50WW1000, 50WW800d) Imported silicon steel such as POSCO steel5) Applicable ... to all kinds of iron cores for power transformers EI-120 Silicon Steel Lamination