FORGED STEEL BALL
Carbon steel grinding ball
Carbon steel grinding ball is the most commonly used one. Widely used in mines, power plants, chemical plants and mill factory’s large ball mill. Diameter is 20-150mm. And we can also customize all size of products according to clients’ demand. The main products performance as follow:
| Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 |
| Size | 20-150mm(0.8inch-6inch) |
| Hardness | Serious | Hardness |
| Standard Hardness | 48-53HRC |
| High Hardness | 55-60HRC |
| Impact Value | ≥12J/CM^2 |
| Balls Number | ≥12000times |
| Microstructure | M+C(C-Carbide M-Martensite ) |
Special steel grinding ball I
This grinding ball is widely used all over the world. High volume hardness and less wearing. Quality is well accepted by the customers. Please kindly check the following detailed performance.
| Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 0.72-0.80 | 0.17-0.37 | 0.8-0.9 | 0.5-0.6 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 |
| Size | 20-150mm(0.8inch-6inch) |
| Hardness | Serious | Hardness |
| Standard Hardness | 58-63HRC |
| High Hardness | 62-65HRC |
| Impact Value | ≥15J/CM^2 |
| Balls Number | ≥15000times |
| Microstructure | M+C(C-Carbide M-Martensite ) |
Special steel grinding ball II
This grinding steel ball is one new type steel ball, good toughness and no breakage. It’s the new favorite in the users. Performance as follow:
| Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 0.58-0.65 | 1.60-1.90 | 0.65-0.80 | 0.70-0.90 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 |
| Size | 20-150mm(0.8inch-6inch) |
| Hardness | Serious | Hardness |
| Standard Hardness | 58-63HRC |
| High Hardness | 62-65HRC |
| Impact Value | ≥18J/CM^2 |
| Balls Number | ≥18000times |
| Microstructure | M+C(C-Carbide M-Martensite ) |
