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Help CenterRound Steel Bar B2 D20mm Hot Rolling Steel Balls
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Certification:Sgs
Round Steel Bar B2 D20mm Hot Rolling Steel Ball Surface Hardness 58 - 62hrc Grinding Media for Chemical Industry
Quick detail:
1Steel ball size: d20mm
2 Surface hardness: 58-62hrc
3 Core hardness: 55-59hrc
4 Good tougness, no broken
Description:
|
Raw meterial: round steel bar Raw meterial type: b2 Steel ball size: 20mm Surface hardness: 58-62hrc Core hardness: 55-59hrc 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 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.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) |
|
20 |
+1.5 -2.0 |
58~62 |
55~59 |
/ |
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
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