high chrome grinding media ball

kYZQCr10

 kYZQCr10 – High chrome grinding media ball

Specification

Ball Diameter(mm)
¢10 ¢12.7 ¢15 ¢17 ¢20 ¢25 ¢30 ¢40 ¢50 ¢60 ¢70 ¢80 ¢90 ¢100 ¢110 ¢120 ¢125 ¢130

Chemical Composition

Designation Chemical Composition
C Si Mn Cr Mo P S
KYZQCr10 1.8-3.2 0.3-1.2 0.2-1.0 10-13 trace ≤0.10 ≤0.08

Mechanical Properties and Microstructure

Designation (HRC) Ak(J/cm2) Microstructure Time of  Falling Balls
Quenching state Non Quenching state
KYZQCr10 ≥58    ≥50 ≥4.0 M+C ≥18000