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Offshore Steel – S355G9+M / S355G9 +N
1.Offshore Steel s
EN10225:S355
S355G7+M/S355G7+N | S355G8+M/S355G8+N | S355G9+M/S355G9+N
S355G10+M/S355G10+N
2.S355G9 offshore quality steel by Masteel UK Limited, supplied in normalised or thermo-mechanically rolld condition. S355G9 – an offshore quality structural steel used in the offshore industry.
3.Supplied under the EN10225:2001 standard, the material shows good tensile and yield strength and has good weldability. The steel is used throughout the offshore industry in the building of offshore steel structures & platforms which are subjected to some of the harshest weather conditions.
Please refer to the chemical composition and mechanical properties below for S355G9+M and S355G9+N.
5.Chemical Composition (for S355G9+M & S355G9+N)
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Al |
Cu |
N |
Nb |
Ti |
V |
Nb+V |
|
0.12 |
0.15/0.55 |
1.65 |
0.02 |
0.01 |
0.20 |
0.08 |
0.7 |
0.015/0.055 |
0.3 |
0.01 |
0.03 |
0.025 |
0.06 |
0.06 |
6.Mechanical Properties
|
Grade |
Mechanical Properties (min) unless stated |
||||||||
|
Tensile Strength |
Yield Strength |
Elongation |
|||||||
|
Thickness (mm) |
Thickness t - mm |
||||||||
|
≤100 |
>100 |
≤16 |
16<t≤25 |
25<t≤40 |
40<t≤63 |
63<t≤100 |
100<t≤150 |
% |
|
|
S355G9+M |
470/630 |
– |
355 |
355 |
345 |
335 |
325 |
– |
22 |
|
S355G9+N |
470/630 |
460/620 |
355 |
355 |
345 |
335 |
325 |
320 |
22 |
7.For more information about the high quality offshore steel grades on offer from us, including S355G9, please contact us.
