Customization: | Available |
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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 selection includes 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG. Choose from our diverse range of high-quality materials to match your unique needs.
2. Diameter: Offering flexibility, our grinding media balls are available in diameters ranging from 20mm to 150mm, tailored to suit various applications.
3. Hardness: With an impressive hardness of HRC 55-65, these forged steel grinding media balls ensure durability and superior performance.
4. Breakage Rate: Enjoy peace of mind with a breakage rate of less than 1%, guaranteeing long-lasting reliability and efficiency.
5. Impact Value: Boasting an impact value greater than 12j/Cm^2, our products are designed for high-impact resilience and robust performance.
6. Falling ball times: Withstand ≥20,000 falls, showcasing exceptional endurance in rigorous industrial applications.
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 smooth and timely delivery through reliable ocean shipping services.
2. Customers designated transportation mode: We accommodate your preferred mode of transport, providing flexibility and convenience.
3. Packing Details: A. Steel drums (850-930kgs/drum) for secure handling. B. Flexible container bags (1 ton/bag) for versatile packaging solutions.
4. Delivery Details: Expect prompt delivery within 15-20 days after payment or LC at sight, ensuring your operations continue smoothly.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. A professional factory specializing in the production of forged and hot rolled grinding balls and alloy grinding steel rods for over a decade, boasting an annual output of 100,000 tons. We operate 10 advanced forging and automatic rolling production lines, meeting complex customer demands with precision.
Shandong Jinchi Has achieved prestigious international and industry certifications, including TUV ISO9001, ISO14001, and ISO45001. Additionally, we hold double certification from SGS and BV, affirming our compliance with quality standards. Our state-of-the-art laboratory, furnished with cutting-edge testing equipment such as spectrometers, hardness testers, drop testers, and impact testers, guarantees quality control and traceability throughout production.