S355G2+N steel plate belongs to European standard low alloy high strength steel, which is a welded structural steel for fixed offshore structures. "S": indicates structural steel; "355": indicates that the minimum yield strength of the steel plate is 355MPa; "G2": indicates the number related to the characteristics of the steel grade; "N": indicates the delivery state normalized or normalized rolled.
S355G2+N steel plate implementation standards: the implementation of EN 10225-2009 standard.
Delivery state of S355G2+N steel plate: normalized or normalized rolled, or according to the technical requirements of the specified delivery state.
S355g2+N Structural Steel Plate Chemical Composition:
|
Si |
C |
P |
Mn |
S |
Mo |
Cr |
|
0.050 |
0.020 |
0.0035 |
0.090 to1.065 |
0.0030 |
0.010 |
0.030 |
|
Alt min.0 |
Ni |
N |
Cu |
Nb |
V |
Ti |
|
0.0020 |
0.050 |
0.0015 |
0.035 |
0.0060 |
0.012 |
0.0030 |
S355G2+N Offshore Platform Steel Plate Mechanical Property:
| Rm - Tensile strength (MPa) (+N) | 470 to 630 |
| Nominal thickness (mm): | to 16 | 16 to 25 |
| ReH - Minimum yield strength (MPa) (+N) | 355 | 345 |
| KV - Impact energy (J) (+N) | -20° 50 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) | 22 |
