| Material: | Alloy Steel, Carbon Steel, Round Steel, Steel Iron |
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| Content: | >90% |
| Usage: | Construction, Chemical, Grind, Ball Mill, Mining, Cement Plant, Sag Mill |
| Processing Type: | Forging, Casting, Hot Rolling |
| Size: | Dia 20mm-150mm |
| Color: | Steel |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier We are a manufacturer specializing in the production of forged grinding steel balls, grinding rods, high chrome mill ball for Mines industry and cement plants, our 95% grinding steel balls export more than 30 countries. We have more than 30 years production experience and has passed TUV, ISO, SGS etc. certificated qualification and extreme standard, these let us keep very competitive in the current market.
Grinding steel balls Info
Product Name: Grinding steel balls
Grinding ball diameter: Φ 20mm - Φ 150mm
Grade : 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG
Certification: TUV ISO9001, SGS
Hardness: HRC55-66
Breakage rate: <1%
Application Areas: Mines, Cement Plant, Power Station, Chemical Industry, Quartz / silicon sand factory
Grinding steel balls Classification and Chemical Composition
| Name | C | Mn | Si | S | P | Cr |
| SY-01-45# | 0.42-0.48 | 0.50-0.80 | 0.17-0.37 | 0.05max | 0.05max | 0.15max |
| SY-02-50Mn | 0.48-0.56 | 0.65-1.00 | 0.17-0.37 | 0.05max | 0.05max | 0.15max |
| SY-03-60Mn | 0.57-0.65 | 0.70-1.10 | 0.17-0.37 | 0.05max | 0.05max | 0.25max |
| SY-04-65Mn | 0.62-0.75 | 0.90-1.20 | 0.17-0.37 | 0.05max | 0.05max | 0.25max |
| SY-05-B2 | 0.75-0.85 | 0.70-0.90 | 0.17-0.35 | 0.05max | 0.05max | 0.40-0.60 |
| SY-06-B3 | 0.50-0.65 | 0.40-1.00 | 1.35-1.85 | 0.05max | 0.05max | 0.80-1.20 |
| SY-07-BL | 0.55-0.75 | 0.65-0.85 | 0.15-0.35 | 0.05max | 0.05max | 0.70-1.20 |
| SY-08-BG | 0.90-1.05 | 0.35-0.95 | 0.15-0.35 | 0.05max | 0.05max | 1.0-1.70 |
Grinding steel balls Mechanical Propety
| Name | Impact Value AK.J/cm2 | Dropping test(sm) |
Hardness |
|||||
| Ф25-50(1"-2") | Ф60-90(2.5"-3.5") | Ф100-150(4"-6") | ||||||
| Surface | Core | Surface | Core | Surface | Core | |||
| SY-01-45# | ≥12 | ≥15000 | ≥55 | ≥38 | ≥50 | ≥35 | ≥45 | ≥25 |
| SY-02-50Mn | ≥12 | ≥15000 | ≥56 | ≥40 | ≥56 | ≥35 | ≥50 | ≥30 |
| SY-03-60Mn | ≥12 | ≥15000 | ≥58 | ≥45 | ≥58 | ≥38 | ≥52 | ≥35 |
| SY-04-65Mn | ≥12 | ≥15000 | ≥60 | ≥52 | ≥60 | ≥42 | ≥53 | ≥36 |
| SY-05-B2 | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥55 | ≥48 |
| SY-06-B3 | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥58 | ≥53 |
| SY-07-BL | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥58 | ≥55 |
| SY-08-BG | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥60 | ≥60 | ≥60 |
Grinding steel balls date
| Nominal Diameter (mm) |
Theoretical Diameter | Weight per ball(KG) | Average Number Of Balls per MT | Diametrical Tolerance(mm) |
| 25 (1") | 26 | 72 | 13,900 | +2.5 -1.0 |
| 30 (1.25") | 31.2 | 125 | 8,000 | |
| 40 (1.5") | 41.6 | 296 | 3,980 | +1.5 -1.0 |
| 50 (2") | 52.0 | 578 | 7,730 | |
| 60 (2.5") | 62.4 | 999 | 1,000 | +3.0 -1.5 |
| 65 | 67.6 | 1.270 | 790 | |
| 70 (2.75") | 72.8 | 1.586 | 630 | |
| 80 (3.25") | 83.2 | 2.367 | 420 | |
| 90 (3.75") | 93.6 | 3.371 | 300 | +4.0 -2.0 |
| 100 (4") | 98.8 | 3.964 | 250 | |
| 120 (5") | 124.8 | 7.989 | 125 | +5.0 -3.0 |
| 150 (6") | 153 | 13.800 | 70 |
Company Profile
Shandong Shengye Grinding Ball Co., Ltd specializes in the production of grinding grinding steel balls for ball mill. Staff are trained and selected by strict overseas technology . The quality of grinding steel balls are consistent and the specifications are complete. The annual output of diameter DIA 20MM-DIA 150MM grinding steel balls is 100000 tons.
Due to the application of internationally advanced technology and manufacture experience, our grinding steel balls have the advantages of rubbing endurance, crashing tolerance and roundness persistence ,compared to other grinding steel balls in this field. We record the data for our products, follow up customers and drop in services at calling to solve customers' uncertainties.
Testing Equipment
Shandong Shengye Grinding Ball Co., Ltd has a first-class laboratory, and equipped with advanced testing equipment, such as spectrometer, hardness tester, microscope, drop tester, impact tester, laser cutting machine, etc.,to ensure that our grinding steel balls from raw material into the factory to the prduction process to the shipment of every link quality control assurance and traceability.
Packing and Delivery
1. Transpotation
Generally grinding steel balls are shipped by ocean, or Customers designated transportation mode.
2. Packing way
Our grinding steel balls are packed in 2 ways:
a. steel drums (850-930kgs/drum) b. flexible container bags(1ton/bag)
3.Delivery Time
Witnin 15-20 days after received the payment or LC at sight. (Generally it is 5-10 days if the grinding steel balls are in stock. or it is 15-20 days if the grinding steel balls are not in stock, it is according to quantity.)
4. Payment Terms
Payment≤1000USD, 100% in advance. Payment≥1000USD, 30% T/T in advance ,
balance before shippment.
Our Service
1.Free samples
we could offer free grinding steel balls samples, you only need to pay the freight cost.
2. After-sales service
Go abroad to visit regular customers several times every year;
Attend national exhibitionss;
Pay return visit once a week after the grinding steel balls are received
3.Sales areas
Our grinding steel balls are exported to over 30 countries and regions including USA, Republic of Korea, Japan, Malaysia, Australia, Canada and South Africa, etc., well and universally received by clients. In order to better serve customers, we have set up the office in Malaysia, Chile, United States and Spain.
Certificate Show
Our grinding steel balls have passed the TUV ISO9001, ISO14001, OHSAS 18001, SGS, BV ect. Certificates
Any question about the grinding steel balls, pls feel free to contact us as below:
Ina / MANAGER
SHANDONG SHENGYE GRINDING BALL CO.,LTD
Suppliers with verified business licenses
Audited Supplier 
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