Jinan Dragon Steel Balls Co.,Ltd
Jinan Dragon Steel Balls Co.,Ltd 19 Years Grinding Media Balls Professional Manufacturer
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40mm 60mm 80mm Low Cr Cement Grinding Balls Cast Balls For Ball Mill
1. steel balls for ball mill 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
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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 |
5. steel balls for ball mill Test
① Factory test
Casting balls test is an very important step. Real-time detection will be carried out in the production process. Balls produced in each shift will be sampled in large quantities and tested for size, hardness, chemical composition, drop test, core pulling and impact value to ensure the quality of steel balls.
② The third party test
According to the customer different demand, casting balls can be tested by any third party.
steel balls for ball mill, forged steel ball, cast iron ball
