| Customization: | Available |
|---|---|
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
| Application: | Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant |
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1. Grade: Our high-quality steel balls come in a variety of premium grades including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG, ensuring the perfect match for your specific needs.
2. Diameter: Available in a versatile range from 20mm to 150mm, catering to diverse industrial requirements with precision.
3. Hardness: Engineered for excellence with a hardness level of HRC 55-65, these steel balls promise outstanding performance and longevity.
4. Breakage Rate: Designed for durability, these steel balls boast a remarkably low breakage rate of less than 1%, ensuring reliability.
5. Impact Value: With an impressive impact value exceeding 12j/cm², our steel balls are resilient under the toughest conditions.
6. Falling ball times: Unmatched endurance with a falling ball test performance of at least 20,000 cycles.
| 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: Secure and efficient ocean shipping options for global reach.
2. Customers designated transportation mode: Customized transportation solutions tailored to your requirements.
3. Packing Details: A. Steel drums (850-930kgs/drum) ensuring robust protection. B. Flexible container bags (1 ton/bag) for convenient handling.
4. Delivery Details: Prompt delivery within 15-20 days post-payment or LC at sight, ensuring your project timelines are met.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a leading professional factory specializing in the production of forged and hot rolled grinding balls and alloy grinding steel rods for over a decade. Our annual production capacity stands impressively at 100,000 tons, powered by 10 state-of-the-art forging and automatic rolling production lines that are adept at meeting the complex demands of our clientele.
Shandong Jinchi has achieved prestigious international and industry certifications, including TUV ISO900, ISO14001, and ISO45001, along with dual certifications from SGS and BV, qualifying us as a top-tier factory. Our cutting-edge laboratory, equipped with advanced testing equipment such as spectrometers, hardness testers, drop testers, and impact testers, ensures meticulous quality control and traceability from raw material intake through production to shipment.
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