S355G9+M/+N

S355G9 – an offshore quality structural steel used in the offshore industry.
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.

Mechanical Properties of S355G9+M/+N

DescriptionGrade 60
Tensile strength (ksi)60-80
Tensile strength (MPa)415-550
Yield strength (ksi)32
Yield strength (MPa)220
Elongation in 200mm (min)(%)21
Elongation in 50mm (min) (%)25
Thickness (max)(mm)205

(Minimum values unless stated otherwise)
(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

Chemical Composition of S355G9+M/+N

 %
C0.14
Si0.15/0.55
Mn1.65
P0.02
S0.01
Cr0.20
Mo0.08
Ni0.7
Al0.015/0.055
Cu0.3
N0.01
Nb0.03
Ti0.025
V0.06
Nb+V0.06