Ranfit Metal is a well-known manufacturer, supplier, and stockiest of S355G3-N - Offshore Steel Plate. S355G3-N is a high-strength, low-alloy (HSLA) steel plate designed specifically for the demands of the offshore industry.

The "EMZ" designation indicates specific properties tailored for offshore use, such as improved toughness, weldability, and resistance to harsh conditions. S355G3-N steel plate is manufactured in accordance with international standards, including API 2H, API 2W, and EN 10225. Weldable structural steel grade S355G3-N Playes was created especially for use in offshore environments. Its corrosion-resistant qualities and strong tensile and yield strength make it appropriate for challenging marine conditions.

S355G3-N steel plate is easily fabricated and welded using conventional techniques, including cutting, bending, and welding. The plate's low carbon equivalent and controlled sulfur content ensure excellent weldability, reducing the risk of weld cracking and porosity. S355G3-N steel plate is used in the manufacture of wind turbine towers, blades, and other components that are exposed to harsh marine environments. S355G3-N steel plate is used in the construction of ship hulls, decks, and superstructures that require high strength, toughness, and corrosion resistance.

The steel plate also exhibits excellent toughness and impact resistance, even at low temperatures, making it an ideal choice for use in Arctic or sub-Arctic environments. Additionally, S355G3-N steel plate has a high resistance to corrosion, thanks to its low carbon content and the presence of alloying elements such as copper, chromium, and molybdenum.

Key Properties of S355G3-N

High Strength: Minimum yield strength of 355 MPa.

Z-Quality (Z35 Rating): Enhanced through-thickness properties to resist lamellar tearing.

Toughness: Designed to perform well in low-temperature environments.

Weldability: Suitable for offshore construction without preheating.

S355G3-N - Offshore Steel Plate Specifications

S355G3-N - Offshore Steel Plate Chemical Composition

Element	Typical Composition
Carbon (C)	≤ 0.20%
Manganese (Mn)	1.00% – 1.60%
Silicon (Si)	≤ 0.50%
Phosphorus (P)	≤ 0.020%
Sulfur (S)	≤ 0.015%
Chromium (Cr)	≤ 0.30%
Nickel (Ni)	≤ 0.50%
Molybdenum (Mo)	≤ 0.10%
Iron (Fe)	Balance

S355G3-N - Offshore Steel Plate Mechanical Properties

Property	Value
Yield Strength	≥ 355 MPa
Tensile Strength	490 – 620 MPa
Elongation (min)	20%
Impact Toughness	≥ 27 J at -20°C
Hardness	Typically ≤ 200 HBW

S355G3-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
S355G3-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

S355G3-N Steel Plate Weight Chart

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Offshore Steel S355G3-N Available Types

S355G3-N Offshore Steel Plates Manufacturing Process

S355G3-N Offshore Steel Plates – Application Industrty

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Suppliers and Exporters of Offshore Steel Gr. S355G3-N Plates in cities like

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