AC motor rotor core 1.size:acustomize with customers' requests. 2.material:silicon steel. 3.fuction:used for AC motors. AC motor rotor core 1.size:acustomize with customer's requirements.2.material:silicon steel,cold rolled sheeta) .Bao steel :B50A1300, B50A1000, B50A800, B50A700,B50A700,B50A470, B35A550,B35A400, B35A360,B35A270.b).An steel:50AW1000, 50AW1300.c). Wu steel:50WW1300, 50WW1000, ...