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 grinding balls are crafted with unmatched precision, available in Grades 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG. These grades are meticulously engineered to meet the highest standards of quality and durability.
2. Diameter: Engineered for exceptional versatility, our grinding balls range from 20mm to 150mm in diameter, catering to a wide array of applications and ensuring peak performance in diverse operational environments.
3. Hardness: Designed to endure the toughest conditions, these grinding balls boast an impressive hardness range of HRC 55-65, ensuring unparalleled resilience and performance longevity.
4. Breakage Rate: Built for lasting durability, our grinding media balls exhibit an exceptional breakage rate of less than 1%, underscoring their robust construction and reliability.
5. Impact Value: Our steel grinding balls deliver formidable performance with an outstanding impact value that exceeds 12j/Cm^2, assuring superior energy absorption and resistance to wear.
6. Falling ball times: Our products are rigorously tested for resilience, withstanding over 20,000 falls to guarantee unmatched durability and steadfast performance under challenging conditions.
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 the secure and reliable transportation of our products through trusted ocean shipping routes, safeguarding the integrity of each shipment.
2. Customers designated transportation mode: For your utmost convenience, we accommodate personalized transportation requests, ensuring seamless delivery tailored to your specific needs.
3. Packing Details: A. Steel drums with substantial capacity of 850-930kgs/drum, and B. Flexible container bags offering a generous 1 ton/bag capacity, ensuring safe and efficient packing.
4. Delivery Details: We guarantee swift and efficient delivery within 15-20 days following receipt of payment or LC at sight, ensuring your operations remain uninterrupted.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. stands as a distinguished industry leader, specializing in the production of forged and hot rolled grinding balls and alloy grinding steel rods. With over a decade of excellence, we boast an impressive annual output of 100,000 tons. Our 10 cutting-edge forging and automatic rolling production lines are meticulously designed to meet the complex demands of our clientele with unparalleled precision.
Shandong Jinchi has achieved prestigious certifications including TUV ISO900, ISO14001, and ISO45001, along with dual SGS and BV certifications, underscoring our unwavering commitment to quality. Our state-of-the-art laboratory, equipped with advanced testing devices such as spectrometers, hardness testers, drop testers, and impact testers, ensures meticulous quality control and traceability from raw materials to final shipment.