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                                   S355G7+N offshore Steel plate

 

 

 

Gangsteelis specialized S355G7+N, S355G7+N is a structural grade steel supplied to the offshore industry. The material can be delivered as normalized (N) or thermo-mechanically rolled (M). Supplied in accordance with EN10225:2001, the steel offers good tensile and yield strength. 
 

 

 

S355G7+N Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

S355G7+N

0.14

0.15-0.55

1.0-0.01

0.02

0.01

0.0055

0.01

Nb

V

Ti

Cu

Cr

Ni

Mo

0.04

0.06

0.025

0.3

0.25

0.5

0.08

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

 

 

 

 

 

 

S355G7+Nhigh strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

S355G7+N

mm

Min Mpa

Mpa

Min  %

-40

J

J

t≤50

355

470-630

22%

50

50

50<t≤63

355

470-630

22%

50

50

63<t≤100

325

490-630

22%

50

50

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

 

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