Forged Grinding Media Ball/Grinding Media for Mine - Experience the pinnacle of milling efficiency with our premium Forged Grinding Media Balls, specifically designed for mining applications, ensuring optimal performance and reliability.
DESCRIPTION - Unveiling a new era of sophistication and strength in grinding solutions, our Forged Steel Grinding Media Ball promises to revolutionize your milling experience.
1. Grade: Dive into a world of versatility with our diverse range of meticulously engineered grades, including B2, B3, 45#, 50Mn, 60Mn, 65Mn, B2, B3, B6, and BU. Each grade is crafted to perfection, catering to your unique specifications and ensuring top-notch performance in every application.
2. Diameter: Our grinding media balls are available in a comprehensive range of diameters, from 20mm to 150mm, providing precision, adaptability, and optimized performance for a wide array of industrial applications.
3. Hardness: With an impressive hardness rating of 55-65HRC, our balls are engineered to withstand the toughest conditions, ensuring prolonged durability and unmatched longevity, making them a wise investment for your operations.
4. Breakage Rate: Enjoy unparalleled reliability with our products, boasting a breakage rate of less than 1%. This ensures minimal downtime and maximized operational efficiency, giving you peace of mind with every use.
5. Impact Value: Featuring an exceptional impact value of over 12j/Cm^2, our grinding media balls are crafted to endure significant forces, consistently delivering superior performance in even the most demanding environments.
6. Endurance impact test times: Proven through rigorous endurance testing, our grinding media balls withstand over 20,000 impact cycles, guaranteeing sustained performance and reliability across extensive usage periods.
7. Uniform hardness, high wear resistance, high impact value: Our world-class product is meticulously designed to offer uniform hardness, exceptional wear resistance, and high impact value, seamlessly combining these attributes to deliver unmatched excellence and reliability in performance.
Forged Grinding Media Steel Ball Chemical Composition: Crafted with precision, our Forged Grinding Media Steel Ball is formulated with a robust chemical composition to ensure peak performance and resilience.
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 |
Specification of - Discover the meticulous specifications that set our Forged Grinding Media Steel Ball apart, redefining quality and excellence in grinding solutions. Forged Grinding Media Steel Ball: Unravel the epitome of sophistication with our leading-edge Forged Grinding Media Steel Balls, designed to deliver unrivaled performance and endurance.
Diameter(mm) |
Diameter Tolerance(mm) |
Surface Hardness(HRC) |
Impact Toughness(j/cm2) |
Φ20 |
+2, -1 |
>60HRC |
≥12j/cm2 |
Φ25 |
Φ30 |
Φ40 |
Φ50 |
Φ60 |
+3, -2 |
Φ70 |
Φ80 |
Φ90 |
Φ100 |
+4, -2 |
Φ110
|
Φ120
|
>58HRC |
Φ130
|
Φ140
|
+4, -3 |
>55HRC |
Our Products: Explore our diverse portfolio of top-tier grinding solutions, engineered to elevate your industrial applications with precision and efficiency.
Our Factory: Step into Shandong Jinchi Heavy Industry Joint-stock Co., Ltd, where cutting-edge technology meets 28 years of unmatched expertise in crafting premium grinding balls, steel rods, and cylpebs. Our state-of-the-art facilities promise precision and quality at every step.
Shandong Jinchi Heavy Industry Joint-stock Co., LTD is a distinguished name in the production of forged and hot rolled grinding balls, grinding steel rods, and grinding cylpebs. With a remarkable 28-year legacy, an impressive annual output exceeding 100,000 tons, and 8 world-class forging and automatic rolling production lines, we are fully prepared to meet the diverse and complex needs of our esteemed clients, delivering excellence and innovation.
Shandong Jinchi has garnered international and industrial acclaim through certifications such as TUV ISO900, ISO14001, and ISO45001, alongside the prestigious double certification from SGS and BV. These accreditations affirm our status as a qualified factory. Our state-of-the-art laboratory is outfitted with cutting-edge testing equipment, including spectrometers, hardness testers, drop testers, and impact testers, ensuring rigorous quality control and traceability from raw material receipt to final product shipment, safeguarding excellence across all stages.
Our esteemed client base spans Southeast Asia, Africa, and Latin America, reaching over 40 countries. We maintain strong business ties with globally-renowned large-scale mining companies, cement plants, thermal power plants, and chemical plants, consistently earning favorable reviews, loyalty, and trust for our unmatched products and exceptional services.


Packaging: Discover our packaging solutions designed to safeguard and preserve the integrity of our products during transit, ensuring they reach you in perfect condition.
Testing Equipment: Our advanced testing equipment guarantees an unwavering commitment to quality, enabling us to deliver products that meet the highest standards of excellence.
Delivery: Experience prompt and reliable delivery services, ensuring that your orders arrive on schedule, enabling seamless continuity in your operations.

FAQ - Your common queries answered, providing clarity and insight into our offerings and services.
Q1: What is the advantage of your company? - Uncover the strengths of our company, where 28 years of unparalleled production experience position us as leaders in the steel ball industry, ensuring uncompromised quality and reliability.
A: Our company stands as a leading professional steel ball manufacturer, boasting 28 years of unrivaled production experience. This expertise solidifies our reputation as a trusted partner in delivering superior grinding solutions.
Q2. In which countries are your products sold? - Our vast global presence showcases our widespread acclaim, with our high-quality products reaching markets across Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia, among others. We further extend our support through branch offices in Australia, ensuring exceptional customer service.
A: Our products enjoy a global presence, reaching markets in Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, among others. We also have branch offices in Australia to better serve our customers, demonstrating our commitment to accessibility and customer satisfaction.
Q3: Are you trading company or manufacturer? - We proudly stand as manufacturers, ensuring that high-quality products are delivered directly from our production lines to you, embodying our commitment to excellence and transparency.
A: We are a factory, dedicated to delivering high-quality products directly from our manufacturing lines to you. This allows us to maintain strict quality control and offer competitive pricing, underpinning our reputation for excellence.
Q4: How long is your delivery time? - We prioritize efficiency in our delivery processes, typically ensuring that your orders are fulfilled within 10-15 days, though this may vary based on order quantities, ensuring flexibility to meet your needs.
A: Typically, delivery takes 10-15 days, though this may vary depending on order quantities. Our commitment to timely delivery ensures that your operations remain seamless and uninterrupted.
Q5: Do you provide samples? Is it free or extra?
A: Absolutely! We are delighted to offer samples at no cost. However, customers are kindly requested to handle the freight expenses.
Q6: What is your terms of payment?
We accept T/T with an initial payment of 30% upfront, followed by the remaining 70% payable upon receipt of the Bill of Lading copy.
OR We also accept L/C with a 100% Irrevocable Letter of Credit at sight.