Chemical composition of forging steel 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 |
-------- |
-------- |
------- |
Specification of forged steel Grinding balls
| 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 |
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.
Four Major Advantages Stronger and More Wearable
(1)Customized Raw Materials
(2)Advanced Full-automatic Production Line
(3)Unique Heat Treatment Technology
(4)Rigorous Quality Control System
Packing of Products:
Company Qualification:
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