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No Surface Defects B2 D20mm Steel Balls For Ball Mill Surface Hardness 58 - 62hrc Grinding Media
Quick detail:
Steel ball size | d20mm |
Useage | grinding media |
Raw meterial | round steel bar |
Surface hardness | 58-62hrc |
Core hardness | 55-59hrc |
Falling impact | ﹥20,000 times |
Raw meterial type | b2 |
Good tougness | No Broken |
Good surface roundress, no surface defects.
Performance comparation:
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 |
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Applications:
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.