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Golden Steel Material is a premier ISO-certified stockist based in Al Jubail. We supply high-performance pipes, fittings, valves, and flanges to the Oil & Gas and Industrial sectors across Saudi Arabia and the GCC.

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Al Jubail 35526, Saudi Arabia

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info@gtesaudi.com
+966 54 662 1439
Al Jubail 35526, Saudi Arabia

S355J2G3 Plates

Material Grade: EN 10025 S355J2G3 (Legacy Standard)

Supply Condition: Normalized (G3) for Fine Grain Structure

Impact Property: Guaranteed 27J Minimum at -20°C

Modern Equivalent: Fully Compliant with S355J2+N Requirements

Mechanical Edge: Superior Fatigue Resistance & Toughness

Fabrication Advantage: Optimized for Heavy Welding & Cold Forming

Thickness Range: 6.0 mm to 250 mm

Primary Industries: Shipbuilding, Rail Wagons, & Mining Equipment

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S355J2G3 Plates are high-strength structural steels traditionally specified under the older version of the EN 10025 standard. Although modern engineering projects have largely transitioned to the S355J2+N designation, S355J2G3 remains a critical reference in legacy blueprints and international procurement. The "S355" indicates the industry-standard minimum yield strength of 355 MPa, while the "G3" suffix specifically mandates that the material must be supplied in a Normalized or equivalent delivery condition. This ensures the steel possesses a refined, fine-grained microstructure that offers superior reliability compared to standard as-rolled plates.

The technical excellence of EN 10025 S355J2G3 is defined by its exceptional toughness and resilience in demanding environments. The "J2" component guarantees a minimum impact energy of 27 Joules at -20°C, making it suitable for structural applications exposed to sub-zero temperatures. Due to its normalized state, this grade exhibits excellent through-thickness ductility and a high resistance to brittle fracture. It is extensively utilized in the manufacturing of heavy-duty rail wagons, shipbuilding, mining machinery, and offshore structures, where the material must withstand repetitive cyclic loading and extreme mechanical stress over a long service life.

S355J2G3 Plates Features

» Legacy Normalized Condition (G3): Specifically processed via normalization to ensure a fine-grained microstructure, providing the same high-level performance as modern +N variants.
» Sub-Zero Impact Resistance (J2): Guaranteed toughness of 27 Joules at -20°C ensures structural integrity in freezing environments and high-dynamic load applications.
» Refined Grain Microstructure: The G3 heat treatment produces a uniform metallurgical structure, reducing internal stresses and improving resistance to fatigue and cracking.
» High Yield Strength (355 MPa): Provides the mechanical strength required for heavy-duty structural members, allowing for reduced cross-sections and lighter overall weight.
» Exceptional Weld Integrity: Its controlled chemistry allows for superior weldability, maintaining excellent toughness in the heat-affected zone (HAZ) even in heavy-thickness plates.
» Excellent Through-Thickness Ductility: The normalization process minimizes impurities and inclusions, significantly reducing the risk of lamellar tearing in welded T-joints.
» Dimensional Stability during Fabrication: Ideal for precision cutting (Laser/Plasma) as the stress-relieved state prevents the plate from bowing or twisting during the thermal cutting process.
» Proven Reliability: A time-tested specification still preferred in heavy industries like shipbuilding and mining for its consistent and reliable performance history.

S355J2G3 Plates Specification

Standards

Legacy Standard: EN 10025: 1990
Grade: S355J2G3
Werkstoff No: 1.0570
Current Equiv: S355J2+N

Chemistry

Carbon (C): 0.20% Max
Manganese (Mn): 1.60% Max
Silicon (Si): 0.55% Max
Phosphorus (P): 0.035% Max

Strength

Yield Strength: 355 MPa (Min)
Tensile Strength: 470 – 630 MPa
Elongation: 22% (Min)
Impact Test: 27J @ -20°C

Condition

Delivery (G3): Normalized
Grain Structure: Fine Grained
Deoxidation: Fully Killed Steel
Stress Level: Low Internal Stress

Dimensions

Thickness: 6 mm to 250 mm
Width: Up to 3500 mm
Length: Up to 12000 mm
Tolerance: EN 10029

Testing

Cert: EN 10204 3.1 / 3.2
NDT: Ultrasonic Tested
Marking: Grade / Heat No / Size
Approval: LRS / ABS / DNV

S355J2G3 Plates Detailed Specifications

Property	Specification
Item	S355J2G3 - Offshore & Structural Steel Plate
Thickness	5mm-150mm
Width	1000mm-4500mm
Length	3000mm-18000mm or as custom’s request
Material	En 10025-2 Steel Plate, S355J2G3 Steel Plate
Technique	hot rolled
Standard	EN 10025-2:2004

S355J2G3 Plates Chemical Composition

Grade	C	Si	Mn	P	S	Cr	Al	Cu	Ni	CEQ
S355J2G3	0.20 max.	0.55 max.	1.60 max.	0.035 max.	0.035 max.	0.30 max.	0.020 max.	0.30 max.	0.30 max.	0.45 max.

S355J2G3 Plates Mechanical Properties

Grade	Thickness(mm)	Min Yield (Mpa)	Tensile(MPa)	Elongation(%)	Min Impact Energy
S355J2G3	8mm-100mm	315Map-355Mpa	450-630Mpa	18-20%	-20	27J
	101mm-200mm	285Mpa-295Mpa	450-600Mpa	18%	-20	27J
	201mm-400mm	275Mpa	450-600Mpa	17%	-20

S355J2G3 Plates Equivalent Grades

EN 10025-2	Steel Number	DIN	BS 970 1983	GOST	JIS	AFNOR	UNI
S355J2G3	1.0570	ST52-3	150M19	17GS	SM 490	E36-3	Fe 510

Industrial Locations & Keywords

Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
Jeddah Industrial Cities (1st, 2nd & 3rd)
Dammam Industrial Areas (1st, 2nd & 3rd)
Jubail Industrial City
Yanbu Industrial City
Rabigh Industrial City
Al Khobar Industrial Area
Al Ahsa Industrial City
Madinah Industrial City
Makkah Industrial City
Taif Industrial City
Tabuk Industrial City
Jazan Industrial City
Industrial supplier in Saudi Arabia
Pipe fittings supplier in Jubail / Dammam / Riyadh
Flange and valve supplier Saudi Arabia
Fast delivery industrial materials KSA