--------------------------------------Product Description-----------------------------------
Forged grinding ball information:1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG2. Diameter: 20mm-150mm3. Hardness: HRC 55-654. Breakage Rate:<0.5%5. Impact Value: >12j/Cm^26. Falling ball times: ≥20000s
Forged(Rolling) Steel Ball Classification and Chemical Composition
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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 |
---------------------------------------Company Profile------------------------------------------SHANGDONG SHENGYE GRINDING BALL CO.,LTD specializes in the production of grinding steel ball for ball mill. Staff are trained and s0009ed 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. 
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