Grinding Ball
Grinding Ball
Grinding Ball
Grinding Ball
Grinding Ball
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PARAMETERS

■ Mechanical Properties And Metallographic Structure Of Casting Grinding Ball

                         

Product Brand

Specifications  (mm)

Hardness  (HRC

Shock Absorption Energy (J)

Metallography

      Cr5

           Φ10~130

          ≥50

≥3.5

M+C

     Cr10

          ≥58

≥3.5

M+C

     Cr17

          ≥58

≥3.5

M+C

     Cr20

          ≥58

≥3.5

M+C

     Cr26

          ≥58

≥3.5

M+C

                           

■ Chemical Constituents Of Forged Grinding Ball

 

Material 

 

Chemical Constituents wt% )

 

 

C

Si

Mn

P

S

Cr

V

Ti

Cu

B2

0.75-1.00

0.70-1.20

0.80-1.00

≤0.030

≤0.035

0.20-0.50

≤0.1

≤0.1

≤0.1

B3

0.45-0.70

0.30-1.20

0.40-1.00

≤0.030

≤0.035

0.20-0.50

--

--

 

B4

0.075-1.05

0.12-0.32

1.05-1.15

≤0.025

≤0.025

0.5-0.6

-

-

 

 

■ Technical Requirements Of Forged Grinding Ball
 

Code Name

Fatigue Life of Falling Ball Impact

 

Rockwell Hardness 
 

Impact 

Surface Hardness (HRC)

Core Hardness(HRC)

Toughness Ak(J)

H40

≥8000 times

61-63

≥60

≧12

H50

≥8000 times

61-63

≥60

≧12

H60

≥10000 times

60-63

≥60

≧12

H65

≥13000 times

60-63

≥59

≧12

H70

 ≥13000 times

60-63

≥59

≧12

H75

≥13000 times

60-63

≥59

≧12

H80

≥20000 times

60-63

≥59

≧12

H85

≥20000 times

60-62

≥59

≧12

H90

≥20000 times

60-62

≥59

≧12

H95

≥20000 times

60-63

≥59

≧12

H100

≥20000 times

60-63

≥58

≧12

H120

≥20000 times

59-62

≥58

≧12

 

■ HENGIN can provide various sizes of Casting Grinding Ball and Forged Grinding Ball for Mining, Cement, Metallurgy and Power Users Worldwide.

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