Specifications of Ball Mill Steel Balls
I.
Chemical Element (Material Composition):
C
Si
Mn
Cr
Mo
S
P
65mn
0.62-0.70
0.17-0.37
0.9-1.2
≤0.25
0-1.0
≤0.04
≤0.04
U71Mn
0.67-0.75
0.36- 0.60
0.9-1.8
1.0-3.0
0-1.0
≤0.04
≤0.04
35CrMo
0.32-0.40
0.17-0.37
0.4-0.7
0.8-1.0
0.15-0.25
≤0.04
≤0.04
42CrMo
0.38-0.45
0.17-0.37
0.5-0.8
0.9-1.2
0.15-0.25
≤0.04
≤0.04
II. Mechanical Properties
Product Specifications
Surface Hardness HRC
Core Hardness HRC
Impact Toughness J/cm2
#
30mm-50mm
58-60
54
12-14
#
60mm-80mm
55-58
48
14-16
#
90mm-120mm
51-56
45
16-19
Three, forged steel ball grinding consumption comparison of different conditions:
Type of grinding ball
65Mn steel ball
U71Mn steel ball
55CrMo ball
42CrMo ball
Coal milling consumption g/t coal
80- 175
60-100
60-100
50-90
Cement clinker g/t of material
100-225
70-120
80-135
70-100
Iron ore grinding g/t of ore
450-600
300-450
360-500
280-400
Ball Mill Steel Balls Manufacturer Henan Hongke Heavy Industry Machinery Equipment Co.Ltd