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Certification:Sgs
Surface Hardness 58-61HRC Grinding Balls For Mining B2 D30MM No Break Grinding Media
Description:
| Raw meterial: | round steel bar |
| Raw meterial type: | b2 |
| Steel ball size: | 30mm |
| Core hardness: | 56-59hrc |
| Surface hardness: | 58-61hrc |
| Useage: | grinding media |
1 Grinding Balls For Mining Of Good tougness: no break
2 Grinding Balls For Mining Of Good surface roundress, no surface defects.
3 Grinding Balls For Mining Of Falling impact: ﹥20,000 times
Quick detail:
Steel ball size: d30mm
Surface hardness: 58-61hrc
Core hardness: 56-59hrc
Good tougness, no broken
Performance comparation:
Grinding Balls For Mining can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 15% at least than low chrome casting ball. Grinding Balls For Mining can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than medium chrome casting ball Grinding Balls For Mining 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 industrySpecifications:
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) |
|
30 |
+1.5 -2.0 |
58~61 |
56~59 |
/ |
Steel ball production flow:
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
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