High Chrome Casting Ball
Size from dia20mm to 120mm
Hardness: HRC58-65
Chemical composition (%) C: 2.0-3.0; Si: 1.0max; Mn: 0.5-1.5; Cr: 11-27 S: 0.10Max; P: 0.10Max; Ni 0-1.5
The major character is: High hardness, no deformation, no breakage, low wear rate, uniformity of hardness from surface to core. It is widely used in cement plants, mining industry, power stations etc.
PRODUCTSSIZEHARDNESSCHEMICAL COMPOSITION1) 65Mn Forged grinding ball 25mm-180mmHRC55-65C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max2) B2 Forged grinding ball25mm-180mmHRC60-68C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; P: 0.035 MAX; S: 0.035MAX; Cr:0.40-0.70. 3) High chrome cast grinding ball 12.7mm-120mm
HRC58-65Cr:11-27; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;4) Low chrome cast grinding ball 12.7mm-120mm
HRC47-55Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; 5) Medium chrome cast grinding ball 12.7mm-120mmHRC47-60Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;