EN 10149-2 steel grades
The steel grades S315MC, S355MC, S420MC, S460MC, S500MC and S550MC of this European Standard are alloy quality steels and the steel grades S600MC, S650MC, S700MC, S900MC and S960MC of this European Standard are alloy special steels according to EN 10020.
The requirements of EN 10149-1 shall apply.
The EN 10149-2 steel chemical composition determined by ladle analysis shall comply with the specified values of Table 1.
Table 1: Chemical composition of the ladle analysis for thermomechanically rolled steels
Designation of steel grade |
C |
Mn |
Si |
P |
S |
Al total |
Nb |
V |
Ti |
Mo |
B |
|
Steel name |
Steel number |
|||||||||||
S315MC |
1.0972 |
0.12 |
1.30 |
0.50 |
0.025 |
0.020b |
0.015 |
0.09a |
0.20 a |
0.15, |
- |
- |
S355MC |
1.0976 |
0.12 |
1.50 |
0.50 |
0.025 |
0.020b |
0.015 |
0.09 a |
0.20 a |
0.15a |
- |
- |
S420MC |
1.0980 |
0.12 |
1.60 |
0.50 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.15a |
- |
- |
S460MC |
1.0982 |
0.12 |
1.60 |
0.50 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.15' |
- |
- |
S500MC |
1.0984 |
0.12 |
1.70 |
0.50 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.15a |
- |
- |
S550MC |
1.0986 |
0.12 |
1.80 |
0.50 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.15a |
- |
- |
S600MC |
1.8969 |
0.12 |
1.90 |
0.50 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.22 a |
0.50 |
0.005 |
S650MC |
1.8976 |
0.12 |
2.00 |
0.60 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.22 a |
0.50 |
0.005 |
S700MC |
1.8974 |
0.12 |
2.10 |
0.60 |
0.025 |
0.015b |
0.015 |
0.09 a |
0.20 a |
0.22 a |
0.50 |
0.005 |
S900MC |
1.8798 |
0.20 |
2.20 |
0.60 |
0.025 |
0.010 |
0.015 |
0.09 |
0.20 |
0.25 |
1.00 |
0.005 |
S960MC |
1.8799 |
0.20 |
2.20 |
0.60 |
0.025 |
0.010 |
0.015 |
0.09 |
0.20 |
0.25 |
1.00 |
0.005 |
a The sum of Nb, V and Ti shall be max. 0.22 %. |