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HRC50~60 Cr15 Hot Rolling Forged Steel Steel Balls Grinding Media For Ore Grinding
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Product Details:
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Detailed Product Description
| High Light: | grinding media balls,grind media |
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HRC50~60 Cr15 Hot Rolling Forged Steel Steel Balls Grinding Media For Ore Grinding
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 |
|
Φ90~100mm |
HRC50~60 |
HRC50~60 |
|
Φ110~140mm |
HRC50~60 |
HRC50~60 |
Ⅱ. For Type Two Material
|
Composition (%) |
C |
Si |
Mn |
Cr |
V |
P |
S |
Hardness |
|
Type Two Material |
0.7-0.9 |
0.45-0.75 |
0.70-1.25 |
0.11-0.40 |
0.05-0.12 |
≤0.04 |
≤0.04 |
HRC55~65 |
D. Holt-rolled Steel Balls
(1). Diameter (mm): φ150, φ120, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ25
(2) General Mechanical Property (Refer to GB8649-88)
|
Composition(%) |
C |
Si |
Mn |
Cr |
Mo |
Ni |
Cu |
V |
Co |
Hardness |
|
Hot-rolled Steel Balls |
0.5 ~ 1.0 |
0.25 ~ 1.60 |
0.4 ~ 1.2 |
≤ 1.0 |
≤ 0.5 |
≤ 0.5 |
≤ 0.5 |
≤ 0.04 |
≤ 0.09 |
≥HRC58 |
2. Size Tolerance
|
Item |
Specification (mm) |
|
|
Φ15~Φ50 |
Φ60~Φ150 |
|
|
Diameter tolerance |
+1.5 -1.0 |
+2.0 -1.0 |
3. Package
Packaged by flexible container bags weighing about 1000kg or in iron drums weighing about 850kg.
Contact Details
China Alloys Products Directory
Send your inquiry directly to us
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