Complaint
| General Information | |
| Product Name | Forged Grinding Balls |
| HS Code | 73261100 |
| Size Range | 10-160mm |
| Specification | 45#, 50Mn, 60Mn, 65Mn, B2, B3, B4, B6, BL, BG |
| Surface Hardness | 55-66HRC |
| Impact Value | >12J/cm2 |
| Dropping Test | 10,000-20,000 times |
| Packaging | Bags, Steel drums, Containers |
| Chemical Composition (%) | ||||||
| Steel Specification | C | Mn | Si | Cr | S | P |
| 60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| 65Mn | 0.62-0.72 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| B2 | 0.72-0.85 | 0.70-0.90 | 0.17-0.36 | 0.40-0.60 | ≤0.035 | ≤0.035 |
| B3 | 0.52-0.65 | 0.40-1.00 | 1.33-1.85 | 0.78-1.20 | ≤0.030 | ≤0.030 |
| B4 | 0.65-0.75 | 0.50-0.70 | 1.20-1.40 | 0.85-1.00 | ≤0.025 | ≤0.025 |
| B6 | 0.75-0.90 | 0.80-1.02 | 0.17-0.37 | 0.88-0.98 | ≤0.035 | ≤0.035 |
| BU | 0.95-1.05 | 0.95-1.05 | 0.15-0.35 | 0.45-0.55 | ≤0.035 | ≤0.035 |
| BL | 0.55-0.75 | 0.65-0.85 | 0.15-0.35 | 0.70-1.20 | ≤0.035 | ≤0.035 |
| BG | 0.90-1.05 | 0.35-0.95 | 0.15-0.35 | 1.0-1.70 | ≤0.035 | ≤0.035 |
| Physical Features | ||||
| Steel Specification | Impact Value (J/cm2) | Surface Hardness (HRC) | Core Hardness (HRC) | Diameter (mm) |
| 60Mn | ≥12 | 55-66 | 45-65 | 10-160 |
| 65Mn | ||||
| B2 | ||||
| B3 | ||||
| B4 | ||||
| B6 | ||||
| BU | ||||
| BL | ||||
| BG | ||||
