Ranfit Metal is a well-known manufacturer, supplier, and stockiest of S355G8+N - Offshore Steel Plate. S355G8+N is a structural steel grade specifically designed for offshore applications. It is part of the EN 10225 standard, which covers weldable structural steels for offshore structures.

The "S" in S355G8+N denotes that it is a structural steel, while the "355" refers to the minimum yield strength of the material, which is 355 MPa (megapascals). The "G8" indicates that the steel has a minimum impact energy value of 40 J (joules) at -40°C, making it suitable for use in low-temperature environments. The "+N" suffix denotes that the steel has been normalized, a heat treatment process that involves heating the steel to a specific temperature to achieve a uniform microstructure.

S355G8+N is a structural steel plate designed for use in offshore structures, such as oil and gas platforms, wind farms, and other marine environments. This grade of steel is characterized by its high strength, low alloy content, and excellent weldability, making it an ideal choice for fabricating complex structures that require high integrity and resistance to corrosion.

S355G8+N - Offshore Steel Plate retain their toughness at low temperatures, making them suitable for use in Arctic and sub-Arctic regions. S355G8+N steel plates are used in the construction of offshore wind turbines, which generate electricity from wind energy. S355G8+N steel plates are used in the construction of pipelines that transport oil and gas from offshore platforms to onshore facilities.

Key Features of S355G8+N

High Strength: Minimum yield strength of 355 MPa.

Low Alloy Content: The steel has a low alloy content, which makes it less susceptible to corrosion and reduces the risk of hydrogen embrittlement.

Corrosion Resistance: Suitable for marine and offshore structures, often used with protective coatings.

Weldability: Suitable for welding without preheating.

S355G8+N - Offshore Steel Plate Specifications

S355G8+N - Offshore Steel Plate Equivalent Grades

EU EN	USA -	England BS	Norway NS
S355G8+N	2HGr.50 2WGr.50/50T	355EMZ	Y21S355M3 Y21S355N3

S355G8+N - Offshore Steel Plate Chemical Composition

Element	Content (%)
Carbon (C)	≤ 0.18
Silicon (Si)	≤ 0.50
Manganese (Mn)	1.00-1.70
Phosphorus (P)	≤ 0.025
Sulfur (S)	≤ 0.020
Nitrogen (N)	≤ 0.012
Copper (Cu)	≤ 0.30

S355G8+N - Offshore Steel Plate Mechanical Properties

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
S355G8+N	1.8810+N	470 to 630	460-620	355	355	345	335	325	320	22	—40	50	150

Types of EN 10219 S355J2H Hollow Section Square

S355G8+N Steel Plate Weight Chart

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Offshore Steel S355G8+N Available Types

S355G8+N Offshore Steel Plates Manufacturing Process

S355G8+N Offshore Steel Plates – Application Industrty

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Suppliers and Exporters of Offshore Steel Gr. S355G8+N Plates in cities like

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