20MnCr5
Chemical composition
|
Item |
Content(%) |
|
C |
0.170 - 0.220 |
|
Si |
≤0.250 |
|
Mn |
1.100 - 1.500 |
|
S |
0.010 - 0.035 |
|
P |
≤0.035 |
|
Cr |
1.000 - 1.300 |
Quality standard
Type of hardness: Surface carborizing
Hardened on the surface: 60 HRC +/-2
Depth of the hardness: 1.5 – 3.0 mm
