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Trade Verify
Address: No. 1911, 19th Floor, Building 2, Mingmen International, No. 45 East Nongyu Road, Jinshui District, Zhengzhou City, Henan Province
Contact name:Vivian
Henan Salmut Import and Export co.,Ltd. |
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Verified Suppliers
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Calcined (rolled) steel balls 70Mn2
The products are mainly suitable for ball mills, building materials and decorative balls in copper, iron, gold mines, cement plants, power plants, steel plants, chemical plants, etc.
Dimensions and allowable deviations, appearance
| Nominal diameter | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 125 | 150 |
| Allowable deviation(mm) | ±2 | +3,-2 | +4,-3 | +5,-4 | ||||||||
| roundness(%) | ≤2 | ≤3 | ≤4 | ≤5 | ||||||||
Chemical composition
| Brand | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | Ni(%) |
| 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 |
Technical specifications
| Brand | Crushing rate | HRC | impact value (J/cm²) | Number of drops | Microstructure |
| 70Mn2 | <1% | ≥58 | ≥12 | ≥12000 | M+C |
