Chromium Steel
DURMAT® (FD) |
C |
Si |
Mn |
Cr |
Ni |
Mo |
Nb |
V |
Ti |
Fe |
+ |
Hardness |
4009 |
0.12 |
0.8 |
1.2 |
14.5 |
+ |
– |
– |
– |
+ |
Bal. |
– |
300-360 HB |
4015 |
0.08 |
0.8 |
1.2 |
17.5 |
– |
– |
– |
– |
– |
Bal. |
– |
220-240 HB |
4028 |
0.3 |
0.8 |
1.2 |
14 |
0.4 |
– |
– |
– |
– |
Bal. |
– |
46-48 HRC |
4115 |
0.2 |
0.8 |
1.2 |
17 |
0.4 |
1 |
– |
– |
– |
Bal. |
– |
42-44 HRC |
4122 |
0.4 |
0.8 |
1.2 |
17 |
0.4 |
1 |
– |
– |
– |
Bal. |
– |
48-51 HRC |
4122 Nb |
1.2 |
0.8 |
1.2 |
17 |
1 |
– |
8 |
0.3 |
– |
Bal. |
– |
48-51 HRC |
4351 N OA |
0.05 |
0.9 |
1.1 |
14 |
5 |
0.75 |
– |
– |
– |
Bal. |
N+ |
38-42 HRC |