Steel Grinding Ball Forged Carbon wear resistance Ball Mill use
Steel Ball Grinding Ball forged ball for Ball Mill use 65Mn 75Mn 40Cr 42CrMo4 50Mn
Grinding body in ball mill
Low chrome steel ball is the most important grinding body in ball mill, which is called grinding steel ball in foreign countries. Steel ball is the world's crushing industry and even the foreseeable future of the first wear-resistant materials, in 2010, only a domestic mineral processing industry that consumed about 2 million tons of various materials of steel ball, and the cement industry in 2010 is expected to consume a record 300,000 tons.
| 2. Diameter toleranceand roundness |
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| Diameter |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
110 |
120 |
125 |
150 |
| Diameter tolerance(mm) |
±2 |
+3,-2 |
+4, -3 |
+5,-4 |
| Roundness(%) |
≤2 |
≤3 |
≤4 |
≤5 |
3. Materials available:
| Brand |
C(%) |
Si(%) |
Mn(%) |
Cr(%) |
Cu(%) |
Mo(%) |
P(%) |
S(%) |
Ni(%) |
| 45# |
0.42-0.50 |
0.17-0.37 |
0.5-0.80 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.035 |
0-0.30 |
| 40Mn |
0.37-0.44 |
0.17-037 |
0.7-1.0 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0035 |
0-030 |
| 50Mn |
0.48-0.56 |
0.17-0.37 |
0.60-1.0 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.035 |
0-0.30 |
| 60Mn |
0.57-0.65 |
0.17-0.37 |
0.70-1.0 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.035 |
0-0.30 |
| 65Mn |
0.62-0.70 |
0.17-037 |
0.90-1.0 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.035 |
0-0.30 |
| 70Mn |
0.67-0.75 |
0.17-0.37 |
0.90-1.20 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.035 |
0-0.30 |
| 40Cr |
0.37-0.45 |
0.17-0.37 |
0.50-0.8 |
0.80-1.1 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.035 |
0-0.30 |
| 42CrMo |
0.38-0.45 |
0.17-0.37 |
0.50-0.80 |
0.90-1.2 |
0-0.03 |
0.15-0.25 |
0-0.035 |
0-0.035 |
0-0.30 |
| 70Cr2 |
0.65-0.75 |
0.20-0.30 |
0.75-0.90 |
0.55-0.70 |
0-0.25 |
0-0.30 |
0-0.030 |
0-0.030 |
0-0.30 |
| 40Mn2 |
0.37-0.44 |
0.17-0.37 |
1.4-1.8 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.30 |
0-0.30 |
| 70Mn2 |
0.65-0.75 |
0.20-0.45 |
1.4-1.8 |
0-0.25 |
0-0.25 |
0-0.30 |
0-0.035 |
0-0.030 |
0-0.30 |
4. Technical specification
| Brand |
Breakage rate |
Hardness(HRC) |
Impact value(J/cm²) |
Drop times (times) |
Micro structure |
| 45# |
<1% |
≥45 |
≥12 |
≥8000 |
M+C |
| 40Mn |
<1% |
≥50 |
≥12 |
≥10000 |
M+C |
| 50Mn |
<1% |
≥55 |
≥12 |
≥10000 |
M+C |
| 60M |
<1% |
≥55 |
≥12 |
≥12000 |
M+C |
| 65Mn |
<1% |
≥58 |
≥12 |
≥12000 |
M+C |
| 70Mn |
<1% |
≥60 |
≥12 |
≥12000 |
M+C |
| 40Cr |
<1% |
≥55 |
≥12 |
≥12000 |
M+C |
| 42CrMo |
<1% |
≥55 |
≥12 |
≥12000 |
M+C |
| 70Cr2 |
<1% |
≥58 |
≥12 |
≥12000 |
M+C |
| 40Mn2 |
<1% |
≥55 |
≥12 |
≥12000 |
M+C |
| 70Mn2 |
<1% |
≥58 |
≥12 |
≥12000 |
M+C |
5. Company Profile:
DHDZ China are manufacturer of the High Quality Steel Flanges and Forgings based on different standards: ASME, JIS, BS, ISO, DIN, EN, SABs etc.
Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.
Forgings covers Blocks, Disks, Rings, Cylinders, Shafts, Tubes, Bars, other Customized forgings, etc..
Main Mateirals: Carbon Steel, Stainless Steel and Alloy steels;
International Standards: ASME, JIS, DIN, GB, BS, EN, AS, SABS, etc.
Standardization and Customization are both our advantages.
Certificate: ISO system, PED certificates, TUV certified.
Nearly 20 years experience;
clients from more than 15 Countries in EU, USA, Gulf area, UK, South America, AU, Asia, etc..
We will do our best to support you no matter big or small you are!
7. Machineries and testing equipments
8. Package:
Ton Bags or Steel Barrel with or without Pallets, all available.
9.Our Team:
Entire team are with more than 10 years exportation experience.
Reliable support and service for all your request.
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