2016 grinding media high quality 30 mm Steel Grinding Balls for gold mine
Breif Description:
1.Diameter range of forged steel balls: 20mm-150mm
2. Features of forged steel balls:
a)high hardness b)good wear-resistance c)no breaking d)long life span
3. Appllication field:
a) metal Mines b) Cement plants c) Water coal slurry d) Power stations e) Chemical industry
4. Type and chemical composition
Chemical composition:
| Material | C | Mn | Si | Cr | S | P |
| 60MN | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | 0.25 max | 0.035max | 0.035max |
| 65MN | 0.60-0.70 | 0.90-1.20 | 0.17-0.37 | 0.25 max | 0.035max | 0.035max |
| 75Mn | 0.72-0.92 | 0.17-0.37 | 0.7-1.0 | 0.4-0.6 | 0.035max | 0.035max |
| 75MnCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.2-0.7 |
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