Luoyang Zhongtai Industrial Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram, MoneyGram |
| Supply Ability | 300 sets per month |
| Delivery Time | 30 days |
| Packaging Details | Standard shipping packaging |
| Name | Ball Mill Steel Balls |
| Material | High-Quality Round Steel from Famous Steel Company |
| Used | Grinding all kinds of ore and other materials |
| Wear Rate in Gold Mine | About 1000g/MT |
| Hardness | HRC46-60 |
| DIA | 40-60 MM |
| C | 0.72-0.82 |
| Classification | Castings and forgings |
| Brand Name | ZTIC |
| Model Number | Castings And Forgings |
| Certification | ISO/CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram, MoneyGram | Supply Ability | 300 sets per month |
| Delivery Time | 30 days | Packaging Details | Standard shipping packaging |
| Name | Ball Mill Steel Balls | Material | High-Quality Round Steel from Famous Steel Company |
| Used | Grinding all kinds of ore and other materials | Wear Rate in Gold Mine | About 1000g/MT |
| Hardness | HRC46-60 | DIA | 40-60 MM |
| C | 0.72-0.82 | Classification | Castings and forgings |
| Brand Name | ZTIC | Model Number | Castings And Forgings |
| Certification | ISO/CE | Place of Origin | China |
| High Light | Castings Forged Steel Balls ，DIA 40MM Forged Steel Balls ，60MM Ball Mill Steel Balls | ||
Ball Mill Castings And Forgings DIA 40-60 MM Forged Steel Balls
1. Introduction of steel balls of ball mill castings and forgings
Ball mill steel ball is ball mill equipment grinding material medium, through the ball mill between the steel ball and the friction between the ball and material grinding effect, important basic parts, especially precision industrial steel ball plays a huge role in the development of national economy. Widely used in cement plant, power plant and so on. High and low chromium multi-element alloy steel ball, high and low chromium multi-element alloy casting.
2. Ball mill steel balls castings and forgings product parameters
wear-resistant forged steel balls
| SIZES | SURFACE | CORE |
| DIA 40-60 MM | HRC60-64 | HRC59-63 |
| DIA 70-80 MM | HRC60-64 | HRC58-62 |
| DIA 90-100 MM | HRC60-64 | HRC57-61 |
| DIA 110-140 MM | HRC55-60 | HRC52-58 |
| C | Si | Mn | P | S | Cr |
| 0.72-0.82 | 0.17-0.37 | 0.7-0.8 | 0.035 MAX | 0.035MAX | 0.28-0.60 |
(2) New material wear-resistant forged steel balls
SIXZES: DIA 40 – 150MM
HARDNESS: HRC55-65
| C | Si | Mn | P | S | Cr | V |
| 0.7-0.9 | 0.45-0.75 | 0.7-1.25 | 0.04MAX | 0.04MAX | 0.11-0.4 | 0.05-0.12 |
(3) Castings and forgings steel balls product parameters
| Composition(%) | C | Si | Mn | Cr | P | S | Hardness(HRC) | Wear Rate in Gold Mine |
| Low Cr Cast Balls | 2.0~3.0 | 0.5~1.5 | ≤0.50 | 1.5~2.5 | ≤0.07 | ≤0.07 | 46~55 | About 1000g/MT |
| Mid Cr Cast Balls | 2.0~3.5 | ≤1.0 | 0.3~1.2 | 4.0~6.0 | ≤1.0 | ≤1.0 | ≥50 | About 870g/MT |
| Cr12 Cast Balls | 2.0~3.0 | ≤1.2 | 0.7~2.0 | 10~12 | ≤0.06 | ≤0.06 | ≥55 | ≤870g/MT |
| Cr15 Cast Balls | 2.0~3.0 | ≤1.2 | 0.7~2.0 | 14~16 | ≤0.06 | ≤0.06 | ≥58 | |
| Cr20 Cast Balls | 2.0~3.5 | ≤1.0 | 0.5~1.5 | 17~23 | ≤0.06 | ≤0.06 | ≥60 | ≤760g/MT |
3. Ball mill steel ball castings and forgings requirements
The output of ball mill is not only affected by the load of steel ball, but also related to the diameter of steel ball. It is required to have a certain ball diameter and maintain a certain proportion of the ball with different ball diameters. The size range of the ball diameter in the general cylinder is 25-60mm. If the cylinder body is a large diameter ball, its impact force is larger, favorable for crushing large coal, but because of the large gap between the ball and the ball, the relative surface area is small, the extrusion and grinding effect is weakened, the output of the coal mill and coal fineness are unfavorable. Too many small diameter steel balls in the cylinder body and small impact force will reduce the output of the coal mill. At the same time, due to the relatively increased surface area of the steel balls, the wear of the steel balls will increase, and the power consumption of coal grinding will increase accordingly.
For example, in the running process of the coal mill, due to wear, the weight and diameter of the steel ball are constantly decreasing, so it is necessary to regularly add new balls, in order to maintain a certain steel ball loading capacity. Generally, large diameter balls are added, and the amount of balls should be determined according to the wear rate of steel balls (wear amount of steel balls per ton of coal mill) and the amount of coal mill. After running for a certain time, the number of small diameter steel balls in the cylinder increases. Therefore, after running for about 3000 hours, it is necessary to stop the machine to clean the steel balls, so as to remove the balls with a diameter less than 15mm and the broken balls, and make up the new balls at the same time.
Company Details
Business Type:
Manufacturer
Year Established:
1981
Total Annual:
80 million-100 million
Employee Number:
500~1000
Ecer Certification：
Verified Supplier
Luoyang Zhongtai Industries Co., Ltd. The company was founded in 1981 and finished joint stock reform in 2005. There are eight subsidiaries and it's an independent legal entity with the qualifications of operating import & export trade. With a garden-like industrial park and modern st... Luoyang Zhongtai Industries Co., Ltd. The company was founded in 1981 and finished joint stock reform in 2005. There are eight subsidiaries and it's an independent legal entity with the qualifications of operating import & export trade. With a garden-like industrial park and modern st...
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