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
20mm/25mm/30mm/40mm/50mm/60mm/70mm/76mm/80mm/90mm/100mm/110mm/120mm/125mm/130mm/140mm/150mm China Factory Price Forged Steel Grinding Media Balls for Sag Mill
Shandong Jinchi Heavy Industry Joint Stock Co.,Ltd, Is a professional manufacturer of grinding products. The main products of our company are GRINDING MEDIA FORGED steel BALLS, CASTING STEEL BALLS,GRINDING RODS, GRINDING CYLPEBS, with specifications all reaching international standards and annual production capacity is over 100,000 tons.
WHY CHOOSE US
High quality raw materials from large steel mills
Advanced automatic production lines
Strict quality management process and after-sales service
More than 20 years experiences
Advanced and accurate lab equipment
ISO9001,ISO14001,ISO45001,SGS certificated
Four hour reach Qingdao port
Shandong Jinchi Heavy Industry Joint Stock Co.,Ltd, Is a professional manufacturer of grinding products. The main products of our company are GRINDING MEDIA FORGED steel BALLS, CASTING STEEL BALLS,GRINDING RODS, GRINDING CYLPEBS, with specifications all reaching international standards and annual production capacity is over 100,000 tons.
WHY CHOOSE US
High quality raw materials from large steel mills
Advanced automatic production lines
Strict quality management process and after-sales service
More than 20 years experiences
Advanced and accurate lab equipment
ISO9001,ISO14001,ISO45001,SGS certificated
Four hour reach Qingdao port

Chemical Composition of 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 Good wear Resistance forged Grinding Media Steel mill Balls
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: We buy steel materials directly from Laigang Group, JIYUAN, which are the biggest steel companies in China who specially produce steel for grinding balls.
2. Product Range: We produce steel grinding balls according to customer requirement. Both cast & forged type and have complete range.
3. Capacity: Our production capacity is now about 100000 MT. This huge production capacity ensures nonstop continuous delivery of media to you.
4. Production facility: At present we use advanced automatic production line which makes sure the quality is highly consistent.
5. Delivery: We provide fast delivery after order confirmation due to automated production system. It can be as quick as 14 days/ 2 weeks depending on requirement.
6. Quality Control: Our company has an independent laboratory, the advanced and accurate lab equipment, to ensure that each step of the production process is performed in accordance with the quality standards.


Manufacturing process









