S355G9+M,S355G9+N Offshore Steel Plate

S355G9+M,S355G9+N Offshore Steel Plate Supplier

1.Offshore Steel Grade is


S355G7+M/S355G7+N | S355G8+M/S355G8+N | S355G9+M/S355G9+N


2.Unitedsteel factory supply S355G9 offshore quality steel Plate, 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.