AISI52100 Bearing Steel Ball Material:AISI52100 steel Dia:0.3mm to 200mm Grade:G10 to G1000 AISI52100 Bearing Steel ... BallSpecificationMaterial:GCr15 bearing steelDia:0.3mm to 200mmGrade:G10,G16,G20,MG28,G40,G60,G100 ... ,electronic industry,grinding other mediaChemical ComponetsC:0.95%-1.10%Si:0.15%-0.35%Mn:0.5%maxP:0.025%maxS:0.025%maxCr:1.3%-1 ...