chrome steel ball divided into high-chromium, chromium and low chromium content of between 1.5--26, 45--65 between hardness, high hardness, good toughness, not broken, apply to....

 £  ® Forged ball
1) Diameters: dia. 20 - 150mm
2) Hardness: HRC55-65
3) Chemical elements: C: 0.5-0.65, Si: 0.15-0.37, Mn: 0.8-1.2, P: 0.04 max.,
S: 0.04max.,
Features:
1) ....

à ’  »  £  ® Hi-Cr cast grinding balls:
1) Diameters: dia. 20mm - 150mm
2) Hardness: HRC55-66
3) Chemical elements: C: 2-3, Si: 1-1.5, Mn: 0.6-1.2, P: 0.04 max., S: 0.04 max. Cr: 10-20....