China Hot Rolling Steel Balls Online Market
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Gold Index: 10011
Place of Origin: | Zhejiang, China (Mainland) |
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B2 D30MM Surface Hardness 58-61HRC Grinding Steel Balls Smaller Grain Microstructure Super Grinding-Resisting
Quick detail:
Steel ball size: d30mm
Surface hardness: 58-61hrc
Core hardness: 56-59hrc
Good tougness, no broken
Description:
Steel ball size: 30mm
Surface hardness: 58-61hrc
Good surface roundress, no surface defects.
Falling impact: 20,000 times
Core hardness: 56-59hrc
Good tougness, no break
Useage: grinding media
Raw meterial: round steel bar
Raw meterial type: b2
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 |
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Performance comparation:
Competitive advantage:
Top high cost performance;
Save annual steel ball use qty;
Increase outlet.
China Hot Rolling Steel Balls Online Market [China (Mainland)]
Business Type:Manufacturer
City: Shenzhen
Province/State: Guangdong
Country/Region: China (Mainland)