material:GCr15SiMn,100CrSiMn6-4,52100
grade:G40 or G60
hardness:≤HRc67
material:forged chrome steel, 100CrSiMn6-4,GCr15SiMn
ball precision:G60 or G40
hardness:HRc 60-67
material:forged chrome steel, 100CrSiMn6-4,E52100
ball precision:G60 or G40
hardness:HRc 60-67
material:GCr15SiMn,100CrSiMn6-4,SUJ3
grade:G100
hardness:HRc 57-63
material:chrome steel, 100CrSiMn6-4,SUJ3
ball precision:G100
hardness:HRc 57-63
material:chrome steel, GCr15SiMn,100CrSiMn6-4,SUJ3
grade:G60 or G100
hardness:HRc 57-63
Material:chrome steel, GCr15SiMn,100CrSiMn6-4,SUJ3
Grade:G60 or G100
Hardness:HRc59-65
Material:chrome steel, GCr15,52100,SUJ2,100Cr6
Grade:G40
Hardness:HRc62-67