Chemical composition of Casting balls
| Item |
C |
Si |
Mn |
Cr |
P |
S |
Mo |
Cu |
Ni |
High chrome cast grinding balls
|
ZQCr12 |
2.0-3.0 |
0.3-1.2 |
0.2-1.0 |
11-13 |
≤0.10 |
≤0.10 |
0-1.0 |
0-1.0 |
0-1.5 |
| ZQCr15 |
2.0-3.0 |
0.3-1.20 |
0.2-1.05 |
14-17 |
≤0.10 |
≤0.10 |
0-1.0 |
0-1.0 |
0-1.5 |
| ZQCr20 |
2.0-2.8 |
0.3-1.0 |
0.2-1.0 |
18-22 |
≤0.10 |
≤0.08 |
0-2.0 |
0-1.0 |
0-1.5 |
| ZQCr26 |
2.0-2.8 |
0.3-1.0 |
0.2-1.0 |
22-28 |
≤0.10 |
≤0.08 |
0-2.5 |
0-2.0 |
0-1.5 |
Middle chrome cast grinding balls
|
ZQCr7 |
2.0-3.2 |
0.3-1.5 |
0.2-1.0 |
6.0-10 |
≤0.10 |
≤0.08 |
0-1.0 |
0-0.8 |
0-1.5 |
Low chrome cast grinding balls
|
ZQCr2 |
2.0-3.6 |
0.3-1.5 |
0.2-1.0 |
1.0-3.0 |
≤0.10 |
≤0.08 |
0-1.0 |
0-0.8 |
------- |
| Bainite ductile cast grinding balls |
ZQsi3 |
3.2-3.8 |
2.0-3.5 |
2.0-3.0 |
--------- |
≤0.10 |
≤0.08 |
-------- |
-------- |
------- |
High Chrome Ball Parameter
| Nominal diameter |
Weight of single ball in average |
Quantity/MT |
Surface hardness |
Impact toughness |
| (mm) |
(mm) |
|
(HRC) |
(Times) |
| Ф15 |
13.8 |
72549 |
>60 |
>10000 |
| Ф17 |
20.1 |
49838 |
>10000 |
| Ф20 |
32.7 |
30607 |
>10000 |
| Ф25 |
64 |
15671 |
>10000 |
| Ф30 |
110 |
9069 |
>10000 |
| Ф40 |
261 |
3826 |
>10000 |
| Ф50 |
510 |
1959 |
>10000 |
| Ф60 |
882 |
1134 |
>10000 |
| Ф70 |
1401 |
714 |
>10000 |
| Ф80 |
2091 |
478 |
>58
|
>10000 |
| Ф90 |
2977 |
336 |
>10000 |
| Ф100 |
4084 |
245 |
>8000 |
| Ф120 |
7057 |
142 |
>8000 |
| Ф130 |
8740 |
115 |
>8000 |
Other Products:
Forging steel balls
Rolling steel balls
Grinding Cylpebs
Grinding Rods
Company profile:
1 Jinan Jichi Steel Ball Co.,Ltd,established in 1995,is the biggest and most specialized casting and forged products manufacturers.
2 Annual production capacity is over 100,000 tons.
3 We have been equipped with advanced automatic production lines.
4 Our company has been accredited with ISO9001 Quality Certification,OHSAS18001 Occupational health and safety certification and ISO14001 environmental management system certification.
5 Our clients are from all over the world,such as Australia,South Africa,Ghana,Korea,Canada,USA etc.
6 We have two branch offices in Peru and Australia.
Packing of Products:
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