Audited Supplier
1. Grade: Discover excellence in metallurgy with our selection of grades: 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG.
2. Diameter: Available in a versatile range of diameters, from 20mm to 150mm, to suit your diverse industrial needs.
3. Hardness: Engineered for durability with a hardness scale of HRC 55-65, ensuring long-lasting performance.
4. Breakage Rate: Experience reliability with a breakage rate of less than 1%, showcasing our commitment to quality.
5. Impact Value: Boasting an impressive impact value of over 12j/Cm^2, our grinding balls deliver exceptional toughness.
6. Falling ball times: Withstand rigorous use with a falling ball endurance of ≥20000s, for consistent functionality.
| Materials | C% | Si% | Mn% | P% | S% | Cr% |
| B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.4-0.6 |
| B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 |
| High Carbon B2 | 0.85-1.10 | 0.15-0.45 | 0.40-1.20 | ≤0.035 | ≤0.035 | 0.20-1.10 |
| B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.25max |
| B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 |
| B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 |
| B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
| BU | 0.95-1.05 | 0.15-0.35 | 0.95-1.05 | ≤0.025 | ≤0.025 | 0.45-0.55 |
| 1090 | 0.90-1.10 | 0.17-0.37 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.025 |
| 42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
| 40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
| 65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 |
| 60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| 50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) | |
| Φ20 | +2, -1 | >60HRC | ≥12 | |
| Φ25 | ||||
| Φ30 | ||||
| Φ40 | ||||
| Φ50 | ||||
| Φ60 | +3, -2 | |||
| Φ70 | ||||
| Φ80 | ||||
| Φ90 | ||||
| Φ100 | +4, -2 | |||
| Φ110 | ||||
| Φ120 | >58HRC | |||
| Φ130 | ||||
| Φ140 | +4, -3 | >55HRC | ||
| Φ150 |
1. Ocean shipping: Ensuring safe and efficient delivery via ocean freight, tailored to your logistical needs.
2. Customers designated transportation mode: Flexibility with customer-preferred shipping options ensures satisfaction.
3. Packing Details: Secure your products with options such as A. Steel drums (850-930kgs/drum) and b. Flexible container bags (1 ton/bag).
4. Delivery Details: Swift and reliable delivery within 15-20 days post-payment or LC at sight, guaranteeing prompt service.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a premier factory specializing in the production of forged and hot rolled grinding balls, as well as alloy grinding steel rods. With over a decade of expertise, our annual output reaches 100,000 tons. We boast 10 state-of-the-art forging and automatic rolling production lines, ready to meet the complex demands of our valued customers.
Shandong Jinchi has achieved distinguished international and industrial certifications including TUV ISO900, ISO14001, and ISO45001. Additionally, we hold dual certifications from SGS and BV as verified factories. Our top-tier laboratory is equipped with cutting-edge testing equipment such as spectrometers, hardness testers, drop testers, and impact testers, ensuring stringent quality control and traceability from raw material intake to final shipment.Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We proudly maintain successful collaborations with prominent Chinese and global mining companies, as well as cement, thermal power, and chemical plants, earning commendations for our exceptional service.
