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Steel Balls Grinding Media With More than HRC60 For Ore Grinding
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Product Details
Brand Name: | Chen's Liners | Place of Origin: | China | Model Number: | DF157 |
Product Description
Steel Balls Grinding Media With More than HRC60 For Ore Grinding
Quick Details
1. Material:Cr15
2. Hardness: More than HRC60;
Hot Rolling Grinding Steel Balls For Ore Grinding
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) 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
Materials |
Hardness |
Impact value |
Wear in Cement Mills (g/mt) |
Application Field |
High Cr Cast Iron |
≥HRc60 |
≥4J |
25-60 |
The dry-grinding process in cement works, power plants and wet-grinding process in mine; |
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
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 |
≤0.10 |
≤0.10 |
≥50 |
About 870g/MT |
Cr12 Cast Balls |
2.0~3.0 |
≤1.2 |
0.7~2.0 |
10~12 |
≤0.06 |
≤0.06 |
≥55 |
≤820g/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 |
C. Forged Steel Balls
⑴. Diameter (mm): φ150, φ140, φ130, φ120, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40
(2). General Mechanical Property
Composition (%) |
C |
Si |
Mn |
Cr |
P |
S |
Type One Material |
0.57~0.65 |
0.17-0.37 |
0.70-0.80 |
0.28-0.60 |
≤0.04 |
≤0.04 |
Ⅰ. For Type One Material
Size |
Surface |
Core |
Φ40~60mm |
HRC50~60 |
HRC50~60 |
Φ70~80mm |
HRC50~60 |
HRC50~60 |
Contact Us
- China Hot Rolling Steel Balls Online Market
- Contact nameMr. Stephen Lee
- Phone86-755-10023930
- Address5F, South City, Pinghu, LongGang Hanzhoung,Shaanxi
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