球磨机钢球
7、转动齿轮在运转时若有冲击声应立即停车检查,并xx
规格(SIZES)
|
表面(SURFACE)
|
中心(CORE)
|
DIA 40-60 MM
|
HRC60-64
|
HRC59-63
|
DIA 70-80 MM
|
HRC60-64
|
HRC58-62
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
|
0.72-0.82
|
0.17-0.37
|
0.7-0.8
|
0.035 MAX
|
0.035MAX
|
0.28-0.60
|
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
V
|
|
0.7-0.9
|
0.45-0.75
|
0.7-1.25
|
0.04MAX
|
0.04MAX
|
0.11-0.4
|
0.05-0.12
|
|
|
|
|
|
|
|
|