Content :
3 inch air hammer forged grinding balls
1. ZW forged steel ball basic facts:
a) No deformation
b) High hardness Good wear resistant
c) Size:Dia20mm-150mm
d) Breakage<1%
e) Certification: ISO9001,SGS.
2. ZW forged steel grinding ball specifications:
Chemical composition:
Material
Chemical elements
C
Si
Mn
P/S
Cr
B2
0.72-0.85
0.17-0.37
0.7-1.0
0.025
0.4-0.6
60Mn
0.55-0.65
0.17-0.37
0.7-1.0
0.04
0.25
45#
0.42-0.50
0.17-0.37
0.5-0.8
0.035
0.25
B3
0.58-0.66
1.3-1.9
0.65-0.8
0.025
0.7-0.9
Hardness:
Material
25mm-50mm
HRC
60mm-90mm
HRC
100mm-125mm
HRC
Surface
Core
Surface
Core
Surface
Core
B2
60-65
58-62
58-63
50-55
56-60
40-45
60Mn
58-63
55-60
58-63
40-45
56-60
30- .cngrindingballs.com