A) Product Name : Cast grinding ball
B) Size : 10-130mm
C) Applied fields :metal mines ,cement plant ,power station ,chemical industry
D ) 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 high 10
|
Varies according to the requirements
|
Mechanical Properties
|
|
Mechanical Properties
|
|
|
Surface
|
AK(J/cm2)
|
Microstructure
|
Wear rate
|
Breakage rate
|
Times of falling
|
|
Cr10 min
|
58-68HRC
|
2.5max
|
M+C
|
25gr/t.m
|
low1%
|
15000min
|
|
Cr low 10
|
45-57HRC
|
1.6max
|
P+C
|
80gr/t.m
|
low1%
|
10000min
|
|
C-Carbide P-Pearite M-Martensite
|
