No Surface Defects B2 D20mm Steel Balls For Ball Mill Surface Hardness 58 - 62hrc Grinding Media
Quick detail:
| Steel ball size | d20mm |
| Useage | grinding media |
| Raw meterial | round steel bar |
| Surface hardness | 58-62hrc |
| Core hardness | 55-59hrc |
| Falling impact | 20,000 times |
| Raw meterial type | b2 |
| Good tougness | No Broken |
Good surface roundress, no surface defects.
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.
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 |
/ |
Applications:
- Mines
- Cement plants
- Power stations
- Chemical industry
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
