steel:alloy steel,chrome steel,high carbon steel, 100Cr6, SUJ2
Grade:G28
Hardness:HRc61-67
material:GCr15 , 100Cr6 , E52100
precision:G40
hardness:HRc61 to HRc67
material:GCr15,100Cr6,E52100
precision:G40
hardness:HRc61 to HRc67
material:high chrome steel, 100Cr6,SUJ2,GCr15
ball precision:G40
hardness:HRc 60-67
material:high chrome steel, 100Cr6,SUJ2,GCr15
ball precision:G40
hardness:HRc 60-67
material:high chrome steel, 100Cr6,SUJ2,GCr15
ball precision:G40
hardness:HRc 60-67
material:chrome steel, GCr15, SUJ2
Grade:G28
Hardness:HRc61 to HRc67
material:chrome steel, GCr15, SUJ2
Grade:G28
Hardness:HRc61 to HRc67
material:GCr15, 100Cr6, 52100, alloy,high chrome
accuracy:G40
hardness:HRc61 to HRc67
material:GCr15, 100Cr6, high chrome, high carbon
precision:G40
hardness:≤HRc67
material:high chrome,high carbon,alloy,GCr15,52100,SUJ2,100Cr6
grade:G40
hardness:HRc61-67
material:high chromium,GCr15SiMn,100CrSiMn6-4,E52100
grade:G60
hardness:HRc60 to HRc67