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Home > products> S355G8+N Steel Plate for Offshore Applications
S355G8+N Steel Plate for Offshore Applications image
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S355G8+N Steel Plate for Offshore Applications

Steel Standard:EN 10225

Rolling Type:Oil and offshore platform steel plate

Thickness:6mm-300mm

Width:1500mm-4200mm

Length:3000mm-18000mm

Heat Treatment:Normalised

Steel Material S355G8+N Data Sheet S355G8 Steel EN10225 Offshore Structural Steel Plates S355G6+N S355G8 steel plate for fixed offshore structures Technical properties of S355G8+N steel plate

What is S355G8+N Steel Plate?

S355G8+N steel plate is a marine structural steel plate and implements the EN10025 standard. It can be used to manufacture bridge equipment, offshore platforms, derricks, leg piles, pillars, ship equipment, cross-sea bridge structures, port machinery, etc. S355G8+N steel plate has the properties of high strength, high toughness, fatigue resistance, impact resistance, corrosion resistance, wear-resistant welding and easy processing.

 

EN10225 Grade S355G8+N Offshore Platform Steel Plate Application

EN10225 Grade S355G8+N Offshore Platform Steel Plate is mainly used to Offshore Structural and Ocean Marine drilling platform.

EN10225 Grade S355G8+N Offshore Platform Steel Plate Other Name

EN10225 Grade S355G8+N Offshore platform Steel plate , EN10225 Grade S355G8+N Offshore Structural Steel Plate,EN10225 Grade S355G8+N drilling platform Steel plate , EN10225 Grade S355G8+N Welding Structural Steel Plate .

Additional Condition

UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
Specification Parameters
Basic Information

S355G8+N Steel plate Chemical Composition

S355G8+N Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

S355G8+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】%

 

S355G8+N Steel plate Mechanical Properties

Grade

S355G8+N Mechanical Properties (min)

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

%

S355G8+N

470/630

460/620

355

355

345

335

325

320

22
Service Support
S355G8+N Steel Plate for Offshore Applications

EN10225 Grade S355G8+N Offshore Platform Steel Plate Other Name

EN10225 Grade S355G8+N Offshore platform Steel plate , EN10225 Grade S355G8+N Offshore Structural Steel Plate,EN10225 Grade S355G8+N drilling platform Steel plate , EN10225 Grade S355G8+N Welding Structural Steel Plate .

Additional Condition

UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
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