1 Definition Cast grinding ball is a crushing medium in the ball mill,which crushes the material in the ball mill.

2 Applied Metallurgical mines cement plant power station gas desulfurization magnetic materials chemical industry coal water slurry;etc

3 Size

1)  cast grinidng balls :¢ 8mm--- 150mm

2)  cast grinding bar :¢ 8×10 ㎜~¢ 40×45

4 Chemical composition

Chrome content

                   Chemical composition(%)

C

Si

Mn

Cr

Mo

Ni

P

S

Cr10

1.8--3.3

1.2max

2.5max

10--15

low1.5

a little

0.08max

0.08max

Cr1--3

1.8-3.5

1.4max

1.2max

1--3

low1.0

a little

0.08max

0.08max

Cr 3--7

2.0-3.2

1.2max

0.5-1.5

3--9

low1.0

a little

0.08max

0.08max

Cr 10

            Varies according to the requirements

5.M echanical Properties

Item

                Mechanical Properties

 

 

Hardness 

AK(J/cm²)

Microstructure

Wear rate

Breakage rate

Times of falling 

Cr  10

58-68HRC

2.5max

M+C

25gr/t.m

1%

108000min

Cr  10

45-57HRC

1.6max

P+C

80gr/t.m

1%

10000min

                      C-Carbide   P-Pearite   M-Martensite

6.Picture for cast grinidng ball


grinding balls

grinding bar