| Customization: | Available |
|---|---|
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
| Application: | Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
1. Grade: Our premium forged steel grinding media balls are crafted from superior grades including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG.
2. Diameter: Available in a versatile size range from 20mm to 150mm, suitable for various milling environments.
3. Hardness: These grinding media balls boast an impressive hardness of HRC 55-65, ensuring durability and performance.
4. Breakage Rate: Enjoy exceptional reliability with a breakage rate of less than 1%, enhancing efficiency and reducing downtime.
5. Impact Value: With an outstanding impact value of over 12j/Cm^2, these balls offer superior resilience under rigorous conditions.
6. Falling ball times: Achieve remarkable longevity with falling ball times of 20,000 seconds or more.
| 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: We ensure safe and timely delivery of our products across the globe via ocean shipping.
2. Customers designated transportation mode: Tailored solutions for your convenience, allowing you to choose your preferred transportation mode.
3. Packing Details: A. Sturdy steel drums with a capacity of 850-930kgs per drum. B. Robust flexible container bags holding up to 1 ton each.
4. Delivery Details: Ensure swift delivery within 15-20 days after payment or LC at sight, promising prompt service.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. With a decade of expertise, we specialize in producing high-quality forged and hot-rolled grinding balls, along with alloy grinding steel rods. Our annual production capacity is 100,000 tons, backed by 10 state-of-the-art forging and automatic rolling production lines to accommodate complex customer requirements.
Shandong Jinchi has achieved prestigious international and industrial certifications, including TUV ISO900, ISO14001, and ISO45001. We have also secured dual certifications from SGS and BV, affirming our status as a premier production facility. Our advanced laboratory, equipped with spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control from raw material intake to final shipment, guaranteeing traceable excellence.
){kind=link}