Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
| Payment Terms | D/A, D/P, L/C, T/T, Western Union |
| Supply Ability | Annual output 50000 tons |
| Delivery Time | 1-3 weeks after order confirmation |
| Packaging Details | big bags ,steel drum |
| Key word | hot rolling steel ball |
| Breakage Guarantee | no breakage upon delivery |
| Hardness | HRC 60-68 |
| Tecnology | hot rolling |
| Raw material heating | By electric furance |
| Service | One-stop Service |
| Product name | grinding balls |
| Heat Treatment | water quenching |
| Por of loading | Qingdao port,china |
| Packing | big bags , steel drums |
| Brand Name | ZW |
| Model Number | 45#,60MN,B2,B3 |
| Certification | ISO9001:2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | D/A, D/P, L/C, T/T, Western Union | Supply Ability | Annual output 50000 tons |
| Delivery Time | 1-3 weeks after order confirmation | Packaging Details | big bags ,steel drum |
| Key word | hot rolling steel ball | Breakage Guarantee | no breakage upon delivery |
| Hardness | HRC 60-68 | Tecnology | hot rolling |
| Raw material heating | By electric furance | Service | One-stop Service |
| Product name | grinding balls | Heat Treatment | water quenching |
| Por of loading | Qingdao port,china | Packing | big bags , steel drums |
| Brand Name | ZW | Model Number | 45#,60MN,B2,B3 |
| Certification | ISO9001:2008 | Place of Origin | China |
| High Light | grinding steel balls ，precision steel balls | ||
Manufacturer : Jinan zhongwei
We are ISO Endorsed company with annual output 50000 Tons ,locaed in China.
Our Main products :
We supply forged steel grinding media balls with diamater 20mm-150mm.
We supply hot rolled steel balls with diameter 20mm to 150mm .
We supply casted iron grinding media balls with diamater 20mm-150mm.
We supply grinding rods made by C45 Steel ,60Mn Steel,B2 Steel,B3 Steel.
We supply grinding cylpeb (Cylinder) with High Chrome,Low Chrome,Medium Chrome
Testing Method and Inspection Rules
1. Impact Test
2. Rockwell Hardness Test Specimen Preparation
3. Chemical Composition Inspection
4. Surface Hardness Inspection
5. Internal Quality Inspection
1.Electric Furnace as compared to coal
2.Fair Market Price
3.Quality guarantee
4.On time delivery
| Material | Chemical Elements of hot rolled steel balls | ||||
| C | Si | Mn | P/S | Cr | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 |
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 |
| B3 | 0.5-0.8 | 1.0-1.8 | 0.4-1.0 | 0.035 | 0.5-1.0 |
Hardness of hot rolled steel balls
| Material | 25mm-50mm HRC | 60mm-90mm HRC |
100mm-125mm HRC
| |||
| 50-55 | ||||||
| 45# | 55-58 | 55-58 | ||||
| 60MN | 58-63 | 58-63 | 56-60 | |||
| B2 | 60-65 | 58-63 | 56-60 | |||
| B3 | 56-63 | |||||
Weight of Jinan Zhongwei hot rolled steel Ball
| Norminal Diameter | Diametrical Tolerance(mm) | Approx Weight of Single Ball(kg) | Average Number Per Ton |
| 25mm/1'' | +1.5,-0.5 | 0.064 | 15625 |
| 30mm/1.25'' | +1.5,-0.5 | 0.11 | 9090 |
| 40mm/1.5'' | +2.0,-1.0 | 0.26 | 3846 |
| 50mm/2'' | +2.0,-1.0 | 0.51 | 1961 |
| 60mm/2.5'' | +3.0,-2.0 | 0.89 | 1124 |
| 70mm/2.75'' | +3.0,-2.0 | 1.4 | 714 |
| 80mm/3.25'' | +3.0,-2.0 | 2.1 | 476 |
| 90mm/3.5'' | +3.0,-2.0 | 3 | 333 |
| 100mm/4'' | +4.0,-3.0 | 4.1 | 244 |
| 110mm/4.5'' | +4.0,-3.0 | 5.47 | 283 |
| 120mm/4.75 | +4.0,-3.0 | 7.1 | 141 |
| 130mm/5'' | +4.0,-3.0 | 9.02 | 111 |
Package :
Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)
Company Details
Business Type:
Manufacturer
Year Established:
2000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Established in 2000, We Jinan Zhongwei casting and forging grinding ball Co.,Ltd, are leading manufacturer and professional exporter of grinding media balls in China. with the annual output of 50,000 to 70,000 metric tons. Our products grinding media balls are mainly exported to more than 20 countri... Established in 2000, We Jinan Zhongwei casting and forging grinding ball Co.,Ltd, are leading manufacturer and professional exporter of grinding media balls in China. with the annual output of 50,000 to 70,000 metric tons. Our products grinding media balls are mainly exported to more than 20 countri...
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