Jinan Dragon Steel Balls Co.,Ltd
Jinan Dragon Steel Balls Co.,Ltd 19 Years Grinding Media Balls Professional Manufacturer
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1. Grinindg Steel Balls Application
Cast steel balls are used in ball mills, mainly in mines, cement plants, power plants and so on.
2. Classification
According to the different chemical elements , Cast balls can be divided into Low Cr,Medium Cr and High Cr. At present, the above materials are widely used all over the world, that’s the conventional materials, if there are special needs, can be customized.
3. Grinding Steel Balls Manufacturing process
Cast steel balls are melted in electric furnace and poured into moulds after scientific proportioning. High chromium cast balls are also processed by oil quenching.
4. Grinding Steel Balls Detail Specifications
① Chemical Composition
|
Material
|
Chemical Composition |
|
Low Cr
|
C:2.2-3.4, Si:≤1.2, Mn:0.5-1.5, P:≤0.06, S:≤0.06, Cr:1.0-1.5
|
|
Medium Cr
|
C:2.0-3.2, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:≥5
|
|
High Cr
|
C:2.0-3.2, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:≥10
|
② Hardness
|
Type
|
Low Cr
|
Medium Cr
|
High Cr
|
|
20mm-150mm
|
45-50 |
48-55 |
58-63 |
③ Dragon Balls Weight
| Size(mm) | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
| Weight(kg) | 0.033 | 0.111 | 0.261 | 0.512 | 0.883 | 1.402 | 2.092 | 2.98 | 1.087 | 5.44 | 7.062 | 9.008 | 11.25 | 13.83 |
Grinding Steel Balls are usually packed in container bags and steel drums, it can also be customized according to different customer needs.