Customized hot rolling steel balls for mining grinding
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:
Chemical compostion |
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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 |
4. Technical specification |
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Brand |
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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 |
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!
6. Quality Certificates:
7. Machineries and testing equipments
8. Our Team: