EN10225 Grade S355G7+N 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

S355G7+N

1.8808+N

0.14

0.15 to0.55

1.00 to1.65

0.02

0.01

0.25

0.08

0.5

0.015 to 0.055

0.3

0.01

0.04

0.025

0.06

0.9

0.06

0.08

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

S355G7+N

1.8808+N

470 to 630

460-620

355

355

345

335

325

320

22

—40

50

150