Delivery Time:25 days
Certification:Sgs
Cement plants D20mm Grinding Balls For Ball Mill Core hardness 55-59hrc Grinding Media No Break
Quick detail:
|
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 |
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 |
/ |
Description:
Steel ball size: 20mm
Surface hardness: 58-62hrc
Core hardness: 55-59hrc
Good surface roundress, no surface defects.
Falling impact: ﹥20,000 times
Grinding Steel Balls of applications:
Mines Cement plants Power stations Chemical industryPerformance comparation:
Grinding Balls For Ball Mill mill can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball. Grinding Balls For Ball Mill mill can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball Grinding Balls For Ball Mill mill can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than high chrome casting ballCompetitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
