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HRC50~60 Cr15 Hot Rolling Forged Steel Steel Balls Grinding Media For Ore Grinding

Place of Origin: Zhejiang

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.: DF157

Product Description

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

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