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Alloyed Casting steel Balls
| Model No. : | grinding balls |
|---|
Product description
Cast iron grinding balls, three series (High/Middle/Low chrome cast iron grinding balls) can be provided in standard sizes, balls are used for grinding coal in power stations, especially for lime and clinker in the cement industries and base materials in the building products industry. Our company own a foundry with annual prodcution 12000 metric tons, the cast iron balls had been exported to Indonesia, Mogolia, South Africa, South Korea, Japan, Philippines, Europe and South America etc.
1.Product Name: Cast iron grinding balls
2.Standard ball sizes are as follows: (Nominal Size)
25mm-----130mm; (0.984 inch----5 inch)
3. A full range hardness we provided in standard sizes:
Minimum Hardness:
Brinell =Rockwell C Chromium (%)
Specialhi-Cr I=HRC 60 min Cr: 22~32
4. Low Chrome cast iron balls
Chemical Elements (%): C:2.2~3.0 Mn: 0.50-1.50; Cr: 1.5-3.0; Si: 1.2Max; P: 0.08 Max, S:0.06 Max;
5. Middle chrome cast iron balls
Chemical Elements (%):C:2.1~3.20 Mn: 0.50-1.50; Cr: 5.0-10.0; Si: 1.2 Max; P: 0.08 Max, S:0.06 Max;
6. High chrome cast iron balls
(Chrom content could be done with customer’s requirement)
Chemical Elements (%):C:2.20~3.20 Mn: 0.50-2.50; Cr: 11-14; Si: 1.0 Max ; P: 0.08 Max, S:0.06 Max;
8.Breakage rate of ball: 1.0% Max ;
9.Dropping test: 10000 times minimum with 5 meter dropping test machine.
Impact fatigue life test: Ak.=4 J/CM2 Minimum
10.Packing: By bulk bags (300kg-1000kg/bag), or by steel drums (850kgs-900kgs/drum)
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