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Grinding Media High Chrome Cast Balls For Coal Mill , Dia.60mm
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Product Details:
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Detailed Product Description
| High Light: | hollow steel balls,cast iron balls |
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Grinding Media High Chrome Cast Balls For Coal Mill , Dia.60mm
Dia.60mm High Cr Cast Balls
1. Hardness difference from surface to center is less than HRC3.
2. Hardness:More than HRC60.
3. Surface of castings is free from burnt sand & smooth.
4. It is free from hard spot, visible injurious defects such as blow hole,porosity, shrinkage, cracks,
cold-shuts.
1. Specification available
A. Cast Balls
(1.1) Diameter (mm): φ140, φ125, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ20, φ17, φ15
B. Cast Cylpebs
(1.2)Diameter (mm): φ35×40, φ30×35, φ25×30, φ20×25, φ18×18, φ16×16, φ15×20, φ14x14,
φ12×16, φ12x12, φ10×12, φ10×10, φ8×8
(2) General Mechanical Property
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Materials |
Hardness |
Impact value |
Wear in Cement Mills (g/mt) |
Application Field |
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High Cr Cast Iron |
≥HRc60 |
≥4J |
25-60 |
The dry-grinding process in cement works, power plants and wet-grinding process in mine; |
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Low Cr Cast Iron |
≥HRc46 |
≥3J |
≤130 |
The dry-grinding process in cement works, power plants and wet-grinding process in mines |
(3). The Detailed Information about Diameter 60mmCast Balls with Different Cr Content
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Composition (%) |
C |
Si |
Mn |
Cr |
P |
S |
Hardness (HRC) |
Wear Rate in Gold Mine |
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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 |
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Mid Cr Cast Balls |
2.0 ~ 3.5 |
≤1.0 |
0.3 ~ 1.2 |
4.0 ~ 6.0 |
≤ 0.10 |
≤ 0.10 |
≥50 |
About 870g/MT |
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Cr12 Cast Balls |
2.0 ~ 3.0 |
≤1.2 |
0.7 ~ 2.0 |
10 ~ 12 |
≤ 0.06 |
≤ 0.06 |
≥55 |
≤820g/MT
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Cr15 Cast Balls |
2.0 ~ 3.0 |
≤1.2 |
0.7 ~ 2.0 |
14 ~ 16 |
≤ 0.06 |
≤ 0.06 |
≥58 |
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Cr20 Cast Balls |
2.0 ~ 3.5 |
≤1.0 |
0.5 ~ 1.5 |
17 ~ 23 |
≤ 0.06 |
≤ 0.06 |
≥60 |
≤760g/MT |
C. Forged Steel Balls
(1). Diameter (mm): φ150, φ140, φ130, φ120, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40
Contact Details
China Alloys Products Directory
Send your inquiry directly to us
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