... 1. Used for Air Switch. 2. Can make according to clients' requirements. Silicon Steel Products 1) Specification: double ... power switch iron cores 2) Materials (silicon steel sheet): a) Bao steel: B50A1000, B50A800, B50A600, B50A470, B35A550, B35A440 ... 350WW360, 350WW310 d) An steel: 50AW1300, 50AW1000, 50AW800, 50AW600, 50AW470 e) Imported silicon steel coil stocks. Air Switch Magnetic Cores (Silicon ...