Round Steel Bar B2 D20mm Grinding Balls For Mining Grinding Media Surface hardness 58 - 62hrc
Quick detail:
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1Steel ball size: d20mm 2 Surface hardness: 58-62hrc 3 Core hardness: 55-59hrc 4 Good tougness: no broken 5 Raw meterial: round steel bar 6 Raw meterial type: b2 7 Good tougness, no break 8 Useage: grinding media |
Description:
Steel ball size: 20mm
Surface hardness: 58-62hrc
Core hardness: 55-59hrc
Good surface roundress, no surface defects.
Falling impact: 20,000 times
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Grinding Balls For Mining of applications:
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- 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 |
/ |
Performance comparation:
- Steel Balls for Ball mill can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball.
- Steel Balls for Ball mill can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball
- Steel Balls for Ball mill can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than high chrome casting ball.
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
