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Round Steel Bar B2 D20mm Hot Rolling Steel Ball Surface Hardness 58 - 62hrc Grinding Media for Chemical Industry
Quick detail:
1Steel ball size: d20mm
2 Surface hardness: 58-62hrc
3 Core hardness: 55-59hrc
4 Good tougness, no broken
Description:
| Raw meterial: round steel bar Raw meterial type: b2 Steel ball size: 20mm Surface hardness: 58-62hrc Core hardness: 55-59hrc Good tougness, no break Useage: grinding media Good surface roundress, no surface defects. Falling impact: 20,000 times |
Performance comparation:
- Hot rolled steel ball can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball.
- Hot rolled steel ball can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball
- Hot rolled steel ball can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% 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) |
| 20 | +1.5 -2.0 | 58~62 | 55~59 | / |
Custom Low Carbon Hot Rolled Steel Balls / Steel Grinding Ball Hight Hardness
