Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
| Supply Ability | Annual output 50000 tons |
| Delivery Time | 1-3 weeks after the advance |
| Packaging Details | container bags ,steel drum |
| Key word | cast iron ball |
| Breakage Guarantee | no breakage upon delivery |
| Hardness | HRC 60-68 |
| Tecnology | forging and casting |
| Raw material heating | By electric furance |
| Service | One-stop Service |
| Product name | grinding balls |
| Heat Treatment | oil Quenching |
| Brand Name | ZW |
| Model Number | high cr low cr medium cr special cr |
| Certification | ISO9001:2008 |
| Place of Origin | Jinan city,Shandong province,China |
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Product Specification
| Supply Ability | Annual output 50000 tons | Delivery Time | 1-3 weeks after the advance |
| Packaging Details | container bags ,steel drum | Key word | cast iron ball |
| Breakage Guarantee | no breakage upon delivery | Hardness | HRC 60-68 |
| Tecnology | forging and casting | Raw material heating | By electric furance |
| Service | One-stop Service | Product name | grinding balls |
| Heat Treatment | oil Quenching | Brand Name | ZW |
| Model Number | high cr low cr medium cr special cr | Certification | ISO9001:2008 |
| Place of Origin | Jinan city,Shandong province,China | ||
| High Light | ball mill media ，Cast Iron Ball | ||
High chrome Dia 20-150mm casting iron ball from China for cement plant
a) unbreakable
b) grinding resistant
c) high impact value
d) high combined efficiency of grinding mill
Forged Grinding Steel Balls
1) In general, forged steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63 HRC
2) Impact toughness high: impact toughness more than 12 J / cm2.
3) Broken rate is low: the actual broken rate is not higher than 1%.
4) Loss of grinding forged steel ball round rate is low.
National Standards
| Specification | 20 | 25 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
| Chemical composition | C | Si | Mn | P | S | Cr | Ni | Cu | V | Ti | |||||
| 0.72- 0.95 | 0.50- 0.75 | 0.90 -1.20 | ≤0.035 | ≤0.035 | ≤0.25 | ≤ 0.30 | ≤ 0.25 | ≤ 0.01 | ≤ 0.01 | ||||||
| Surface hardness | 55-64 | 54-62 | 50-60 | 50-58 | |||||||||||
| Hardness of heart | ≥50 | ≥50 | ≥48 | ≥46 | |||||||||||
Company measured test results
| Chemical Composition | C | Si | Mn | S | P | Cr |
| 0.72-0.82 | 0.17-0.37 | 0.7-0.8 | ≤0.035 | ≤0.035 | 0.28-0.6 |
| Specification | Surface Hardness | Hardness | Company measured | Remark | ||
| Surface Hardness | Hardness | |||||
| 1 | 40 | 60-65 | 59-64 | National Standards High carbon low alloy steel forging (rolling) surface hardness Hardness of Heart≥50; >90mm: surface hardness Hardness of Heart≥48. | ||
| 2 | 50 | 60-65 | 58-63 | 64.5 | 63 | |
| 3 | 60 | 60-65 | 58-63 | 66 | 64-65 | |
| 4 | 70 | 60-65 | 58-63 | |||
| 5 | 75 | 60-65 | 58-63 | |||
| 6 | 80 | 58-63 | 56-61 | 66 | 64 | |
| 7 | 90 | 58-63 | 56-61 | 63 | 61 | |
| 8 | 100 | 58-63 | 56-61 | 62 | 60 | |
| 9 | 110 | 57-62 | 52-57 | 63.5 | 59 | |
| 10 | 120 | 57-62 | 50-55 | 61.5 | 54 | |
| 11 | 130 | 56-61 | 42-47 | 62 | 49.5 | |
| 12 | 140 | 56-61 | 40-45 | |||
Cast Iron Balls Application( Please let me know your application, Jinan zhongwei will recommend the most high cost-effective type)
Competitive advantage:
1.Top high cost performance;
2.Save annual steel ball use qty;
3. Increase outlet derived from the best quality .
Performance comparation:
Cast Iron Balls Production ( Jinan zhongwei accept any form of the thrid-party testing)
Cast Iron Balls Package ( Container bags and steel drums are two common used package all over the world,let me know which one you want.)
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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