... Carbon chromium bearing steel, GB GCr15, AISI:E52100, DIN:1.3505, JIS:SUJ2 High Carbon chromium bearing steel, GB GCr15, AISI ... :E52100, DIN:1.3505, JIS:SUJ2,1,GRADE: Bearing Steel GCr15/E52100/SUJ2/1 ... property afer spheroidize annealing. Chemical Composition: GCr15/E52100/SUJ2/1.3505 CSiMnP≤S≤CrMoNi0.93-1.050.15-0.350.25 ...