... Special Steel Trading Co., Ltd.Bearing SteelASTM 52100/JIS SUJ2/ BS 100Cr6/GB GCr15 Dimensions:Thickness:10mm-90mmWidth:60mm-610mmLength: 4m ... Trading Co., Ltd.Bearing Steel1, Grade: ASTM 52100/JIS SUJ2/ BS 100Cr6/GB GCr152, Chemical composition CSiMnCrPS0.95~1.050.15 ...