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Surface Hardness 58-61HRC Grinding Balls For Mining B2 D30MM No Break Grinding Media
Description:
| Raw meterial: | round steel bar |
| Raw meterial type: | b2 |
| Steel ball size: | 30mm |
| Core hardness: | 56-59hrc |
| Surface hardness: | 58-61hrc |
| Useage: | grinding media |
1 Grinding Balls For Mining Of Good tougness: no break
2 Grinding Balls For Mining Of Good surface roundress, no surface defects.
3 Grinding Balls For Mining Of Falling impact: 20,000 times
Quick detail:
Steel ball size: d30mm
Surface hardness: 58-61hrc
Core hardness: 56-59hrc
Good tougness, no broken
Performance comparation:
- Grinding Balls For Mining can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 15% at least than low chrome casting ball.
- Grinding Balls For Mining can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than medium chrome casting ball
- Grinding Balls For Mining can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than high chrome casting ball.
Applications:
- Mines
- Cement plants
- Power stations
- Chemical industry
Specifications:
Chemical percent of raw meterial b2:
| C | Si | Mn | P | S | Cr | Co | Ni |
| 0.75 | 0.23 | 0.74 | 0.016 | 0.001 | 0.48 | 0.02 | 0.01 |
Steel ball data:
| Ball size (mm) | Size tolerance (mm) | Surfance hardness (hrc) | Core hardness (hrc) | Impact toughness (j/cm2) |
| 30 | +1.5 -2.0 | 58~61 | 56~59 | / |
