1 inch to 5.5 inch
Yb/T091-2005
Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
Steel
Grinding Ball
HRC60-65
More Than 12j/Square Centimetre
Below 1%
Good
National Standard
Good
Jinchi
Container Bag, Steel Drum
20-150mm
Zhangqiu City, Shandong Province, China
73261100
Product Description
High quality grinding steel balls we produce mainly use in mining and cement industry. Our grinding balls are widely used in gold mines, copper mines, zinc mines, iron mines, siver mines, cement plants, chemical plants and building materials industry.
we have been able to see more and more customers adding value due to the use of our products.

Chemical composition of forging steel balls
Specification of forged steel Grinding balls
Packing of Products:


1 Established in 1995,is the biggest and most specialized casting and forged products manufacturers.
2 Annual production capacity is over 100,000 tons.
3 We have been equipped with advanced automatic production lines.
4 Our company has been accredited with ISO9001 Quality Certification,OHSAS18001 Occupational health and safety certification and ISO14001 environmental management system certification.
5 Our clients are from all over the world,such as Australia,South Africa,Ghana,Korea,Canada,USA etc.
6 We have two branch offices in Peru and Australia
Company Qualification:

Our Other Products:

we have been able to see more and more customers adding value due to the use of our products.

Chemical composition of forging steel balls
Brand | Materials | C% | Si% | Mn% | P% | S% | Cr% | Ni% | Cu% |
JC-1 | B2 | 0.7-0.85 | 0.17-0.37 | 0.7-1.00 | ≤0.035 | ≤0.035 | 0.50-0.60 | ≤0.20 | ≤0.20 |
JC-2 | B2-1 | 0.55-0.7 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 | ≤0.20 | ≤0.20 |
JC-3 | B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 | ≤0.20 | ≤0.20 |
JC-4 | B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 | / | ≤0.25 |
JC-5 | B6 | 0.75-0.9 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 | ≤0.25 | ≤0.25 |
JC-6 | B6-1 | 0.82-0.9 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 | ≤0.25 | ≤0.25 |
JC-7 | BU | 0.95-1.05 | 0.15-0.35 | 0.95-1.05 | ≤0.025 | ≤0.025 | 0.45-0.55 | ≤0.06 | ≤0.15 |
JC-8 | 1090 | 0.9-1.1 | 0.17-0.37 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.025 | ≤0.02 | ≤0.02 |
JC-9 | 42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 | / | / |
JC-10 | 40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 | / | / |
JC-11 | 65MN | 0.62-0.7 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 | / | / |
JC-12 | 60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / |
JC-13 | 50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / |
Nominal diameter | Diameteical Tolerance | Weight of single ball in average | Surface hardness | Impact toughness |
(mm) | (mm) | (G) | (HRC) | (J/c) |
Ф20 | +2 -1 | 32 | >60 | ≥12 |
Ф25 | 64 | |||
Ф30 | 110 | |||
Ф40 | 263 | |||
Ф50 | 513 | |||
Ф60 | +3 -2 | 888 | ||
Ф70 | 1410 | |||
Ф80 | 2104 | |||
Ф90 | 2996 | |||
Ф100 | +4 -2 | 4110 | ||
Ф110 | 5457 | |||
Ф120 | 7102 | >58 | ||
Ф130 | 9030 | |||
Ф140 | +4 -3 | 11278 | >55 | |
Ф150 | 13871 |
Packing of Products:


1 Established in 1995,is the biggest and most specialized casting and forged products manufacturers.
2 Annual production capacity is over 100,000 tons.
3 We have been equipped with advanced automatic production lines.
4 Our company has been accredited with ISO9001 Quality Certification,OHSAS18001 Occupational health and safety certification and ISO14001 environmental management system certification.
5 Our clients are from all over the world,such as Australia,South Africa,Ghana,Korea,Canada,USA etc.
6 We have two branch offices in Peru and Australia
Company Qualification:

Our Other Products:
Rolling steel balls | Casting balls | Grinding Cylpebs | Grinding Rods |
Rolling steel ballsB2/B2-1 | High chrome cast grinding balls | 20*25mm | 30-120mm(Diameter) |
Rolling steel ballsB3/B4 | Middle chrome cast grinding balls | 25*30mm | 3000-6000mm(Length) |
Rolling steel ballsB6/B6-1 | Low chrome cast grinding balls | 30*35mm | HRC45-55(Surface Hardness) |
Rolling steel balls42CrMo | Bainite ductile cast grinding balls | 35*40mm | |
Rolling steel balls40Cr | 40*50mm | ||
60MN/65MN/50MN | 45*55mm |
