Brand:Yu Bin
Model:YB
Forged grinding steel ball:
Our products have obtained ISO 9001---2008.
1) Diameter: 20mm~150mm
2). Characteristics:
a) High hardness b) Good wear-Resistance c) No breaking d)No mal-roundness
3). Applied fields:
a) metal Mines b) Cement plants c) Water coal slurry d) Power stations e) Chemical industry
Forged grinding steel ball
Chemical elements of forged steel balls | |||||
C | Si | Mn | Cr | S | P |
0.50-0.65 | 0.15-0.37 | 0.6-1.2 | ≤0.25 | ≤0.04 | ≤0.04 |
0.7-0.9 | 0.45-0.75 | 0.7-1.25 | 0.11-0.4 | ≤0.04 | ≤0.04 |
Specification and hardness of forging ball
Nominal diameter
| Diameteical Tolerance | Weight of single ball in average | Surface hardness | Impact toughness |
(mm) | (mm) | (g) | (HRC) | (j/cm) |
Φ20 | +2 -1 | 32 | 50-65 | ≥12 |
Φ25 | +2 -1 | 64 | 50-65 | ≥12 |
Φ30 | +2 -1 | 110 | 50-65 | ≥12 |
Φ40 | +2 -1 | 263 | 50-65 | ≥12 |
Φ50 | +2 -1 | 513 | 50-65 | ≥12 |
Φ60 |
+3 -2
| 888 |
50-65
|
≥12 |
Φ70 | 1410 | |||
Φ80 | 2104 | |||
Φ90 | 2996 | |||
Φ100 | 4110 | |||
Φ110 |
+4 -2
| 5457 |
50-65
| |
Φ120 | 7102 | |||
Φ130 | 9030 | |||
Φ140 |
+4 -3 | 11278 |
50-65
| |
Φ150 | 13871 |
We sincerely welcome customers from both at home and abroad to come to negotiate business with us. We are committed to with you to establish long-term cooperation.
Our serious promise: supplying you with high quality products, competitive prices, timely delivery, and satisfactory service. We are always insisting on the theory of "Credit Goal, Client First, and Mutual Profits". Let's build a better future.


