High Chrome Grinding Media Balls For Coal Mill High Cr Cast Balls
| Place of Origin: | Jiangsu |
|---|
Company Profile
| Location: | Shenzhen, Guangdong, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Grinding Media Steel Balls, Hot Rolling Steel Balls, Grinding Steel Balls |
Product Detail
| Model No.: | DF578 |
|---|
Product Description
High Chrome Grinding Media Balls For Coal Mill High Cr Cast Balls
Quick Details
1. Material:Cr15.
2. Hardness: More than HRC60.
Φ60mm 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) 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 |