DIA: 20mm-150mm
JIS, GB, DIN, BS, ASTM, AISI
Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
Steel
Grinding Ball
<1%
>12j/Cm^2
45#,40cr ,50mn,60mn,65mn,B2,B3
55-65HRC
M+C
>12000
JINCHI
Container Ton Bags or Steel Drums
Size: 20mm-150mm
China
73261100
Product Description
Experience exceptional wear resistance with our premium Forged Grinding Media Steel Mill Balls, designed to withstand the test of time in diverse industrial applications.
Shandong Jinchi Heavy Industry Joint Stock Co., Ltd, a distinguished leader in the realm of grinding product manufacturing, proudly offers an extensive array of top-tier solutions including: GRINDING MEDIA FORGED steel BALLS, CASTING STEEL BALLS,GRINDING RODS, GRINDING CYLPEBS, All products meet stringent international standards, supported by a formidable annual production capacity exceeding 100,000 tons.
WHY CHOOSE US
We utilize the finest quality raw materials sourced from renowned large steel mills to ensure superior end-products.
Our facilities boast cutting-edge automatic production lines that enhance efficiency and consistency.
Every step of our process undergoes a meticulous quality management process, coupled with comprehensive after-sales service for complete customer satisfaction.
With over 20 years of industry expertise, we stand as a beacon of reliability and innovation.
Our laboratory features state-of-the-art and precise lab equipment ensuring accuracy and excellence in all processes.
Our commitment to quality is backed by certifications such asISO9001, ISO14001, ISO45001, and SGS, underscoring our adherence to the highest industry standards.
Strategically located, we can reach Qingdao port within four hours, facilitating swift and efficient logistics.
Shandong Jinchi Heavy Industry Joint Stock Co., Ltd, a distinguished leader in the realm of grinding product manufacturing, proudly offers an extensive array of top-tier solutions including: GRINDING MEDIA FORGED steel BALLS, CASTING STEEL BALLS,GRINDING RODS, GRINDING CYLPEBS, All products meet stringent international standards, supported by a formidable annual production capacity exceeding 100,000 tons.
WHY CHOOSE US
We utilize the finest quality raw materials sourced from renowned large steel mills to ensure superior end-products.
Our facilities boast cutting-edge automatic production lines that enhance efficiency and consistency.
Every step of our process undergoes a meticulous quality management process, coupled with comprehensive after-sales service for complete customer satisfaction.
With over 20 years of industry expertise, we stand as a beacon of reliability and innovation.
Our laboratory features state-of-the-art and precise lab equipment ensuring accuracy and excellence in all processes.
Our commitment to quality is backed by certifications such asISO9001, ISO14001, ISO45001, and SGS, underscoring our adherence to the highest industry standards.
Strategically located, we can reach Qingdao port within four hours, facilitating swift and efficient logistics.

Chemical Composition of our superior Good Wear Resistance Forged Grinding Media Steel Mill Balls:
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 |
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 our Good Wear Resistance Forged Grinding Media Steel Mill Balls: crafted to excel under the most demanding conditions.
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. Material Quality: Our commitment to quality begins with sourcing superior steel materials directly from Laigang Group and JIYUAN, China's giants in steel production specifically for grinding balls.
2. Product Range: We tailor-make steel grinding balls to meet customer specifications, offering both cast and forged types in a comprehensive range.
3. Capacity: Boasting an outstanding production capacity of around 100,000 MT, we ensure a continuous and reliable supply of quality media.
4. Production Facility: Our state-of-the-art automatic production line ensures consistently high quality across all products.
5. Delivery: Leveraging our automated production system, we guarantee rapid delivery within as little as 14 days, tailored to your specific needs.
6. Quality Control: Our independent laboratory, equipped with advanced and precise lab equipment, ensures that every production step adheres to the highest quality standards.
Manufacturing process




