Surface Hardness 61-63hrc Grinding Balls For Mining B2 D40MM Super Grinding-Resisting
Quick detail:
Steel ball size: d60mm
Surface hardness: 61-63hrc
Core hardness: 59.5-62hrc
Impact toughness: ≥35 j/cm2
Good tougness, no broken
Description:
|
1 Grinding Balls For Mining of Raw meterial: round steel bar 2 Grinding Balls For Mining 0f Raw meterial type: b2 3 Grinding Balls For Mining 0f Steel ball size: 60mm 4 Surface hardness: 61-63hrc 5 Core hardness: 59.5-62hrc 6 Good tougness, no break 7 Useage: grinding media 8 Good surface roundress, no surface defects. 9 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 15% 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 15% than medium chrome casting ball.
- Hot rolled steel ball 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) |
|
60 |
+1.5 -2.5 |
61~63 |
59.5~62 |
≥25 |
Microstructure picture:
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
