Casting Mill Ball.
Our products have obtained ISO 9001-2008 certificate.
A) Diameter: 20~140mm balls.
B). Characteristics:
1) High hardness 2) Good wear-Resistance
1) High hardness 2) Good wear-Resistance
3) No breaking 4)No mal-roundness
D). Applied fields:
1)Mines 2) Cement plants.
3) Water coal slurry. 4) Power station.
Our main products as follows:
1)Mines 2) Cement plants.
3) Water coal slurry. 4) Power station.
Our main products as follows:
High& low chrome casting grinding ball data.
|
Nominal diameter
|
Diameteical
Tolerance
|
Weight of single ball in average
|
Surface hardness
|
Impact toughness
|
|
(mm)
|
(mm)
|
(g)
|
(HRC)
|
(j/cm2 )
|
|
Φ20
|
+2 -1
|
32
|
50-65
|
≥12
|
|
Φ25
|
64
|
|||
|
Φ30
|
110
|
|||
|
Φ40
|
263
|
|||
|
Φ50
|
513
|
|||
|
Φ60
|
+3 -2
|
888
|
||
|
Φ70
|
1410
|
|||
|
Φ80
|
2104
|
|||
|
Φ90
|
2996
|
|||
|
Φ100
|
4110
|
|||
|
Φ110
|
+4 -2
|
5457
|
45-60
|
|
|
Φ120
|
7102
|
|||
|
Φ130
|
9030
|
|||
|
Φ140
|
+4 -3
|
11278
|
||
|
Φ150
|
13871
|
2. Casting grinding ball chemical composition.
|
Item
|
Brand
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Cu
|
Ni
|
P
|
S
|
|
High chrome casting iron ball
|
DHCr20
|
2.0-3.0
|
≤1.0
|
0.5-1.5
|
18-22
|
0-2.5
|
0-1.2
|
0-1.5
|
≤0.10
|
≤0.10
|
|
Item
|
Brand
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Cu
|
Ni
|
P
|
S
|
|
High chrome casting grinding ball
|
DHCr15
|
2.0-3.0
|
≤1.0
|
0.5-1.5
|
14-17
|
0-3.0
|
0-1.0
|
0-1.5
|
≤0.10
|
≤0.10
|
|
Item
|
Brand
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Cu
|
Ni
|
P
|
S
|
|
High chrome casting grinding ball
|
DHCr13
|
2.0-3.0
|
≤1.0
|
0.5-1.5
|
11~14
|
0-1.0
|
0-2.0
|
0-1.5
|
≤0.10
|
≤0.10
|
|
Item
|
Brand
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Cu
|
Ni
|
P
|
S
|
|
Middle chrome casting grinding ball
|
DHCr7
|
2.1-3.2
|
0.5-2.2
|
0.5-1.5
|
6~10
|
0-1.0
|
0-0.8
|
0-1.5
|
≤0.10
|
≤0.10
|
|
Item
|
Brand
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Cu
|
Ni
|
P
|
S
|
|
Low chrome casting grinding ball
|
DHCr2
|
2.2-3.6
|
≤1.2
|
0.5-1.5
|
1.0-3.0
|
0-1.0
|
0-0.8
|
|
≤0.10
|
≤0.10
|