High Chromium Cast Iron Grinding Ball 20mm for ball mill
Specification:
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
Grinding ball details
a. Grinding steel ball material:
The high quality round steel.
b. Grinding steel ball application :
1) CEMENTPLANTS,
2) metal mining in mines
3) power stations
4) Chemical engineering
c.Package:
Steel drum (800-900kg per drum) or flexible container bag (1000kg per bag)
d.Chemcial Elements and Hardness
MaterialChemical elements Hardness CSiMnSPCr
HRC
Special Cr12.0-3.0<1.00.5-2.0≤0.06≤0.08>2058-64Special Cr22.0-3.0<1.00.5-2.0≤0.06≤0.08>1558-64High Cr2.0-3.2<1.00.5-2.5≤0.06≤0.08>1058-62Medium Cr2.0-3.2<1.00.5-2.5≤0.06≤0.08≥545-48Low Cr2.2-3.4≤1.20.5-1.5≤0.06≤0.081.0-1.542-46
Physical Property & MicrostructureNameHRCAk(J/cm 2 )MicrostructureTimes of Falling BallsLow Cr Balls≥45≥2.5P+C≥10000Medium Cr Balls≥48≥3.0P+C≤Φ80≥15000≥Φ80≥10000High Cr Balls≥58≥4M+C+A≤Φ80≥15000≥Φ80≥10000M-Martensite P-Pearliet C-Carbide A-Austenite
Size(mm)Weight(kg/pc)Quantity(pc/t)
Size(mm)Weight(kg/pc)Quantity(pc/t)Φ300.119091Φ902.90345Φ400.253891Φ1004.00250Φ500.502000Φ1105.30188Φ600.861153Φ1206.80147Φ701.37729Φ1307.70129Φ802.05487Φ1408.74114
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