Rolling Forged Steel Grinding Balls
Product Description
Product Name
Rolling Forged Steel Cement Mill Grinding Balls
Chemical composition of forging steel balls
| Brand |
Materials |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Ni% |
Cu% |
| JC-1 |
B2 |
0.7-0.85 |
0.17-0.37 |
0.7-1.00 |
≤0.035 |
≤0.035 |
0.50-0.60 |
≤0.20 |
≤0.20 |
| JC-2 |
B2-1 |
0.55-0.7 |
0.15-0.30 |
0.65-0.85 |
≤0.020 |
≤0.020 |
0.70-1.10 |
≤0.20 |
≤0.20 |
| JC-3 |
B3 |
0.58-0.66 |
1.70-1.90 |
0.68-0.80 |
≤0.030 |
≤0.030 |
0.78-0.90 |
≤0.20 |
≤0.20 |
| JC-4 |
B4 |
0.65-0.75 |
1.20-1.40 |
0.50-0.70 |
≤0.025 |
≤0.025 |
0.85-1.00 |
/ |
≤0.25 |
| JC-5 |
B6 |
0.75-0.9 |
0.17-0.37 |
0.8-1.02 |
≤0.035 |
≤0.035 |
0.88-0.98 |
≤0.25 |
≤0.25 |
| JC-6 |
B6-1 |
0.82-0.9 |
0.15-0.35 |
0.90-1.05 |
≤0.020 |
≤0.020 |
0.88-0.98 |
≤0.25 |
≤0.25 |
| JC-7 |
BU |
0.95-1.05 |
0.15-0.35 |
0.95-1.05 |
≤0.025 |
≤0.025 |
0.45-0.55 |
≤0.06 |
≤0.15 |
| JC-8 |
1090 |
0.9-1.1 |
0.17-0.37 |
0.60-0.90 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.02 |
≤0.02 |
| JC-9 |
42CrMo |
0.38-0.45 |
0.20-0.40 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.90-1.20 |
/ |
/ |
| JC-10 |
40Cr |
0.37-0.45 |
0.20-0.40 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.80-1.10 |
/ |
/ |
| JC-11 |
65MN |
0.62-0.7 |
0.17-0.37 |
0.90-1.20 |
≤0.035 |
≤0.035 |
≤0.25 |
/ |
/ |
| JC-12 |
60MN |
0.57-0.65 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
| JC-13 |
50MN |
0.48-0.56 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
Specification of forged steel Grinding balls
| Nominal diameter |
Diameteical Tolerance |
Weight of single ball in average |
Surface hardness |
Impact toughness |
| (mm) |
(mm) |
(G) |
(HRC) |
(J/c) |
| Ф20 |
+2 -1 |
32 |
>60 |
≥12 |
| Ф25 |
64 |
| Ф30 |
110 |
| Ф40 |
263 |
| Ф50 |
513 |
| Ф60 |
+3 -2 |
888 |
| Ф70 |
1410 |
| Ф80 |
2104 |
| Ф90 |
2996 |
| Ф100 |
+4 -2 |
4110 |
| Ф110 |
5457 |
| Ф120 |
7102 |
>58 |
| Ф130 |
9030 |
| Ф140 |
+4 -3 |
11278 |
>55 |
| Ф150 |
13871 |
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
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.
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