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: Crafted with precision, our forged steel grinding media balls are available in a variety of grades: 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG, ensuring unmatched performance across diverse applications.
2. Diameter: Offering versatility and adaptability, our grinding media balls come in diameters ranging from 20mm to 150mm, catering to all grinding needs.
3. Hardness: Engineered for excellence, these balls boast a robust hardness of HRC 55-65, providing exceptional wear resistance and longevity.
4. Breakage Rate: With a remarkably low breakage rate of less than 1%, these balls ensure reliable and consistent performance, reducing downtime and maximizing productivity.
5. Impact Value: Designed to withstand the harshest conditions, they feature an impressive impact value of over 12j/Cm^2, ensuring superior durability.
6. Falling ball times: Demonstrating outstanding resilience, our forged steel balls endure more than 20,000 falling ball impacts, underscoring their long-lasting performance.
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. Embracing global connectivity, our products are shipped via ocean freight, ensuring timely and efficient delivery across the globe.
2. We also accommodate customers' specific transportation requirements, offering tailored shipping solutions to meet unique demands.
3. Packing Details: Securely packaged, our products are available in steel drums (850-930kgs/drum) or flexible container bags (1 ton/bag), ensuring safe transit.
4. Delivery Details: Committed to prompt service, we deliver within 15-20 days after receiving payment or LC at sight, ensuring a seamless supply chain experience.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a distinguished manufacturer specializing in the production of forged and hot rolled grinding balls, as well as alloy grinding steel rods for over a decade. With an impressive annual output of 100,000 tons, we are equipped with 10 state-of-the-art forging and automatic rolling production lines to meet the diverse demands of our clientele.
Shandong Jinchi proudly holds prestigious international and industry certifications, including TUV ISO900, ISO14001, ISO45001, and the esteemed double certifications of SGS and BV. Our cutting-edge laboratory, equipped with advanced instruments such as spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control and traceability from raw material intake to production and final shipment.