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Brand Name:
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Outside Diameter: -
Model Number:
Precision Rating:
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Place of Origin: China (Mainland)

Specifications

Product description:Executive standard for the product is YB/T091-2005 forging(rolling)steel balls high quality Forged Grinding Ball and Rolled Grinding Ball with different hardness grades and chemical composition on request.
INTRODUCTION:
Forged Grinding Ball. In order to improve the quality and increase the production capacity, we produce the Rolling Grinding Ball by the advanced Automatic Hot Rolling Grinding Ball Production Line. Our Automatic Hot Rolling Grinding Ball Production Line is in the leading position in the world.
 
The most common Forged Grinding Ball and Rolled Grinding Ball we produced as follows:
 
1.Chemical Composition
 
Brand
C
Si
Mn
Cr
S
P
60Mn Grinding Ball
0.50-0.65
0.15-0.37
0.6-1.2
≤0.25
≤0.04
≤0.04
B2 Grinding Ball
0.75-0.85
0.17-0.37
0.7-0.9
0.5-0.8
≤0.03
≤0.03
 
2.Size and hardness of the forged grinding ball
 
Diameter
(mm)
Tolerance
(mm)
Weight of single ball in average(g)
Number of piece of one ton ball in average
Surface hardness
(HRC)
Core
hardness
(HRC)
Impact toughness
(J/C㎡)
Φ20
Φ25
Φ30
Φ40
Φ50
 
+2
-1
32
64
110
263
513
31250
15625
9090
3802
1949
 
 
60-67
 
 
57-62
 
 
 
 
 
 
 
 
≥12
Φ60
Φ70
Φ80
Φ90
Φ100
 
+3
-2
888
1410
2104
2996
4110
1126
709
475
333
243
 
 
58-65
 
 
50-56
Φ110
Φ120
Φ130
+4
-2
5457
7102
9030
182
140
110
 
55-63
 
48-55
Φ140
Φ150
+4
-3
11278
13871
88
72
55-63
45-50
 
3. Product performance: High hardness,  Unbreakable, Good wear resistance, Low consumption rate
 
4. Application fields: Mining, Cement Plants, Power Stations and Chemical Industries etc.