EN10225 Grade S355G6+M Offshore Platform Steel Plate

Grade

Steel

C

Si

Mn

Pmax

S

Cr

Mo

Ni

Al（total）

Cu

N

Nb

Ti

V

Cr+Mo+Ni+Cu

Nb+V
max

Nb+V+Ti

S355G6+M

1.8805+M

0.14

0.5
max

1.6
max

0.03

0.025

--

0.2

0.3

0.02min

--

0.015

0.05

0.05

0.1

--

--

--

Grade

Steel No.

Tensile Strength
Rm2

Minimum Yield strength for thickness t(mm)

Minimum elongation A on gauge length

Minimum average CharpyV-notch
impact energy

Thickness macximum

Thickness t（mm）≤100

Thickness t（mm） ＞100

t≤16

16＜t≤25

25＜t≤40

40＜t≤63

63＜t≤100

100＜t≤150

Temp.

Energy

Mpa

Mpa

Mpa

Mpa

Mpa

Mpa

Mpa

Mpa

%

℃

J

mm

S355G6+M

1.8805+M

470 to 610

355

345

345

——

——

——

22

—40

50

40