Carbon Steel Plate Material

Offshore Steel – S355G9+M / S355G9 +N

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
A

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.

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