20mm-150mm Grinding Forged Steel Ball & Casting Steel Ball for Mining Equipment
Product Description
Forged grinding ball information:
1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG
2. Diameter: 20mm-150mm
3. Hardness: HRC 55-65
4. Breakage Rate:<0.5%
5. Impact Value: >12j/Cm^2
6. Falling ball times: ≥20000s
Forged(Rolling) Steel Ball 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 forged steel ball 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 | ≥20,000 | ≥55 | ≥38 | ≥50 | ≥35 | ≥45 | ≥25 |
| SY-02-50Mn | ≥12 | ≥20,000 | ≥56 | ≥40 | ≥56 | ≥35 | ≥50 | ≥30 |
| SY-03-60Mn | ≥12 | ≥20,000 | ≥58 | ≥45 | ≥58 | ≥38 | ≥52 | ≥35 |
| SY-04-65Mn | ≥12 | ≥20,000 | ≥60 | ≥52 | ≥60 | ≥42 | ≥53 | ≥36 |
| SY-05-B2 | ≥12 | ≥20,000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥55 | ≥48 |
| SY-06-B3 | ≥12 | ≥20,000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥58 | ≥53 |
| SY-07-BL | ≥12 | ≥20,000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥58 | ≥55 |
| SY-08-BG | ≥12 | ≥20,000 | ≥60 | ≥60 | ≥60 | ≥60 | ≥60 | ≥60 |
Products Show
Company Profile
SHANGDONG SHENGYE GRINDING BALL CO.,LTD specializes in the production of grinding steel ball for ball mill. Staff are trained and selected by strict overseas technology . The quality of products is consistent and the specifications are complete. The annual output of diameter DIA 20MM-DIA 150MM grinding steel ball is 100000 tons.
Due to the application of internationally advanced technology and manufacture experience ,our grindingsteel balls have the advantages of rubbing endurance, crashing tolerance and roundness persistence ,compared to other products in this field. We record the data for our products, follow up customers and drop in services at calling to solve customers' uncertainties. 
Production Processing
Why choose us
1. 20 years reputation guarantee;
2. Advanced manufacturing techniques and complete testing equipment;
3. Adequate and rich range of material stock
4. Fast delivery
5. Quality assurance
6. Overall service system
Quality assurance
We only purchase directly from large regular steel groups in China. And all raw materials are strictly inspected before entering the warehouse.
2. Advanced production lines and experienced operators
ShengYe has 6 high-speed automatic production lines and 4 hammer-forged production lines with an annual output of 100,000t. Covering the specifications of DIA15-150 mm and all materials to meet customers' different requirements. All of the operators are well trained and have more than 5 years of experience in forging ball manufacturing.
3. Unique heat treatment technical ensure the grinding ball performance
4. Complete testing equipment
We have a world-class laboratory and complete test equipment. We are able to make tests of chemical elements, mechanical properties, microstructure and so on.
5. Strictly comply with the quality system
We have passed international and industrial certifications such as TUV ISO900, ISO14001, ISO45001, etc and also passed the double certification of SGS and BV as qualified factories.
Packing & Delivery
1. Ocean shipping
2. Customers designated transportation mode.
3. Packing Details: A. Steel drums (850-930kgs/drum) b. Flexible container bags(1ton/bag)
4. Delivery Details: Within 15-20 days after received the payment or LC at sight. 
Our service system
1. Customized raw material service
2. Free samples for evaluation
3. Grinding technical guidance
4. After-sales quality assurace
FAQ
Q1: What is the advantage of your company?
A: We are a professional steel ball manufacturers, which have 10 years of production experience.
We also have Hi-Tech and capable production line.
Q2. In which countries are your products sold?
A: Our products are exported to over 40 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.
Q3: Are you trading company or manufacturer?
A: We are factory.
Q4: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock,
It is according to quantity.
Q5: Do you provide samples? Is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q6: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance,
Balance before shippment.
If you have another question, pls feel free to contact us as below:
INA / MANAGER
SHANDONG SHENGYE GRINDING BALL Co., Ltd