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Help CenterHigh Hardness Unbreakable Forged Grinding Steel Ball for Mines / Chemical Industry
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Certification:Sgs
b3 d80mm surface hardness 57-60hrc smaller grain microstructure super grinding-resisting hot rolled steel ball
Quick detail:
Steel ball size: d80mm
Surface hardness: 57-60hrc
Core hardness: 55-58hrc
Impact toughness: ≥35 j/cm2
Good tougness, no broken
Description:
Raw meterial: round steel bar
Raw meterial type: b3
Steel ball size: 80mm
Surface hardness: 57-60hrc
Core hardness: 55-58hrc
Good tougness, no break
Useage: grinding media
Good surface roundress, no surface defects.
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 industrySpecifications:
Chemical percent of raw meterial b3:
|
C |
Si |
Mn |
P |
S |
Cr |
Co |
Ni |
|
0.61 |
1.8 |
0.75 |
0.012 |
0.001 |
0.81 |
0.01 |
0.01 |
Steel ball data:
|
Ball size (mm) |
Size tolerance (mm) |
Surfance hardness (hrc) |
Core hardness (hrc) |
Impact toughness (j/cm2) |
|
80 |
+1.5 -3.5 |
57~60 |
55~58 |
≥25 |
Steel ball production flow:
Microstructure picture:
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
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