Place of Origin: | Zhejiang |
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Location: | Nanjing, Jiangsu, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Hot Rolling Steel Balls, Grinding Media Steel Balls, Grinding Steel Balls |
Model No.: | JBYM30 |
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B2 D30MM Surface Hardness 58-61HRC Smaller Grain Microstructure Super Grinding-Resisting Grinding Media Steel Balls
Description:
Raw meterial: round steel bar
Raw meterial type: b2
Steel ball size: 30mm
Surface hardness: 58-61hrc
Core hardness: 56-59hrc
Good tougness, no break
Useage: grinding media
Good surface roundress, no surface defects.
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:
Applications:
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) |
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.