Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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About Forged Ball:
Forged ball is a steel ball produced by forging process
The production process of forged ball mainly includes air hammer forging and rotary cutting and rolling.
Features of forged ball
Material: Forged ball uses high-quality raw steel as material
Impact toughness: The impact toughness of forged ball is greater than 12 joules
Breakage rate: The breakage rate of forged ball is less than 0.5%
Surface quality: The surface of forged ball is smooth, without pouring mouth, sand hole and ring band
Hardness: The surface hardness of forged ball is between HRC56-HRC65, the core hardness is between HRC54-62, and the overall hardness is high and uniform Wear resistance: The wear resistance of forged ball is better than that of cast ball, and the service life is longer, which can reduce the use cost and improve the enterprise efficiency.
Grinding Ball Forged Steel Ball Chemical Elements and Detail Hardness
| Material | Chemical Elements | |||||
| C | Si | Mn | P/S | Cr | Hardness (HRC) | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 | 60-65 |
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 | 58-63 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 | 55-58 |
| B3 | 0.58-0.66 | 1.3-1.9 | 0.65-0.8 | <0.025 | 0.7-0.9 | 56-65 |
| B6 | 0.97-1.03 | 0.2-0.3 | 1.0-1.1 | <0.025 | 0.5-0.6 | 61-65 |
Hardness
|
Material
|
25mm-50mm HRC |
60mm-90mm HRC |
100mm-125mm HRC
| 130-150mm HRC | ||||
| Surface | Core | Surface | Core | Surface | Core | Surface | Core | |
| C45 | 55-58 | 55-58 | 50-68 | 23-30 | 48-52 | 22-26 | 48-52 | 22-25 |
| 60Mn | 58-62 | 55-60 | 58-62 | 30-36 | 57-61 | 26-32 | 57-61 | 26-30 |
| B2 | 60-64 | 58-64 | 57-64 | 45-60 | 55-60 | 38-48 | 55-60 | 38-42 |
| B3 | 62-65 | 60-65 | 60-65 | 58-65 | 56-65 | 50-62 | 56-63 | 50-55 |
| B6 | 62-65 | 60-65 | 61-65 | 58-65 | 60-63 | 50-62 | 61-63 | 50-55 |
Grinding balls-forged steel balls production line
1. Raw material - All our raw material is ordered from Chinese largest steel Laiwu Steel and Benxi Steel mills, we have the ability to develop custom-made raw materials according to the different requirements.
2.Heating- We used the electric furnace to heating the raw material,to ensure the average heating .
3. Water Quenching- We have mutual experience on water quenching to keep the average hardness and low breakage.
Packing:
Steel drum (800-950kg per drum)
Container Bag (1000kg per bag)
Testing:
Jinan Zhongwei established in 2000 , we are a leading manufacturer and professional exporter grinding balls in China.Our Company is located in Zhangqiu,Jinan City, Shandong Province, China.Our company covers an area of 15000 square meters,now we have 150 staff, including 13 technical staff .Annual output is 50000 tons to 80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs
We have exported to 20 more countries, UAE,Zambia,South Africa,Peru,Chile,
Australia,UK,USD,Turkey and so on.
Our Advantages
1. Jinan Zhongwei has 25 years production experience and complete purchasing,
testing,service system
2.We keep continuous adjustment and improvement according to the customer’s requirement at the last 10 years.
3. On the basis of satisfied customer’s 50,000 tons demand, Jinan Zhongwei has more 30,000 tons to 50,000 tons production capacity for the new cooperative partner.
4. Stable price system - 12 months price validity
5. Payment terms ( Negotiate)