1,aluminum alloy 2,Spec;B500A600,B500A800 3,Qty:iron&steel 4,Function; important parts of electrical machine 1,aluminum alloy2,Material:B500A600,B500A800 ... )Lamination(Can be adjustable)Outside Diameter±0.05Inner Diameter±0.02/-0.01ThicknessInner Diameter Outside±0.05Wide Diameter±0.0533.0 ... .015.0*6.0*3.0315.06.001.58.00 aluminum alloy