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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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S355J0+N Plates

S355J0+N Plates
Material Grade: EN 10025-2 S355J0+N (Normalized)
Condition of Supply: Normalized (+N) for Microstructural Uniformity
Impact Property: Guaranteed 27J Minimum at 0°C
Technical Advantage: Elimination of Internal Stresses via Heat Treatment
Fabrication Edge: Optimized for Precision Laser & Flame Cutting
Strength Level: 355 MPa Minimum Yield Strength
Thickness Range: 6.0 mm to 250 mm
Primary Industries: Automotive Chassis, Agricultural Machinery, & Bridges
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S355J0+N Plates represent a high-performance variant of structural steel, combining the robust yield strength of the S355 grade with specialized thermal processing. The +N designation indicates that these plates have been Normalized—a process involving heating the steel to a critical temperature followed by controlled air cooling. This treatment refines the internal grain structure, eliminating the directional stresses inherent in the rolling process and ensuring that the material exhibits uniform mechanical properties across its entire surface and through its full thickness.

The integration of the "J0" impact requirement with a normalized state makes EN 10025-2 S355J0+N an exceptionally reliable choice for precision engineering. While it maintains a guaranteed impact toughness of 27 Joules at 0°C, the normalized condition provides enhanced stability during secondary fabrication. This makes it the premier material for complex laser-cut components, heavy-duty automotive frames, and agricultural machinery where dimensional accuracy and resistance to fatigue are paramount. By choosing S355J0+N, engineers secure a material that balances cost-efficiency with a high degree of structural safety and superior response to welding and cold forming.



S355J0+N Plates Features

  • » Normalized Grain Refinement (+N): Undergoes a normalization heat treatment to create a uniform, fine-grained microstructure, ensuring stable and predictable mechanical properties throughout the plate.
  • » Temperate Impact Resistance (J0): Guaranteed to withstand a minimum impact energy of 27 Joules at 0°C, providing essential safety for structures in standard outdoor environments.
  • » Enhanced Dimensional Stability: The stress-relieved nature of normalized steel minimizes the risk of warping or distortion during high-precision laser, plasma, or flame cutting.
  • » High-Performance Weldability: Low carbon equivalent (CEV) ensures excellent weldability, producing strong, reliable joints with a lower risk of hydrogen-induced cracking.
  • » Superior Through-Thickness Consistency: Normalizing eliminates inconsistencies between the surface and core, making it highly reliable for thick-section structural applications.
  • » Optimized for Complex Forming: The refined metallurgical structure supports smooth cold bending and pressing, allowing for the fabrication of intricate structural components.
  • » Excellent Machining Response: Consistent hardness levels and a clean internal structure result in superior surface finishes and reduced tool wear during industrial machining processes.
  • » 355 MPa Yield Strength: Provides a high-strength structural base that allows engineers to design leaner, more cost-effective structures without compromising on safety.

S355J0+N Plates Specification

Standards

  • Standard: EN 10025-2
  • Grade: S355J0+N
  • Werkstoff No: 1.0553+N
  • Status: Normalized Condition

Chemistry

  • Carbon (C): 0.20% Max
  • Manganese (Mn): 1.60% Max
  • Silicon (Si): 0.55% Max
  • Nitrogen (N): 0.012% Max

Strength

  • Yield Strength: 355 MPa (Min)
  • Tensile Strength: 470 – 630 MPa
  • Elongation: 22% (Min)
  • Hardness: 140 - 190 HB

Testing & Processing

  • Impact (J0): 27J @ 0°C
  • Condition: Normalized (+N)
  • Grain Size: Fine Grained Steel
  • Deoxidation: Fully Killed

Dimensions

  • Thickness: 6 mm to 250 mm
  • Width: 1500 mm to 3500 mm
  • Length: 6000 mm to 12000 mm
  • Edge Finish: Machine Cut

Assurance

  • Certification: EN 10204 3.1 / 3.2
  • Compliance: CE Approved
  • Inspection: Ultrasonic Tested (UT)
  • Tracing: Full Heat Traceability

S355J0+N Plates Detailed Specifications

Property Specification
Item S355JO+N - Offshore & Structural Steel Plate
Thickness 5mm-150mm
Width 1000mm-4500mm
Length 3000mm-18000mm or as custom’s request
Material En 10025-2 Steel Plate, S355JO+N Steel Plate
Technique hot rolled
Standard EN 10025-2:2004

S355J0+N Plates Chemical Composition

C
Si
Mn
P
S
N
Cu
CEV
0.22 max
0.55 max
1.6 max
0.035 max
0.035 max
0.012 max
0.55 max
0.47 max

S355J0+N Plates Mechanical Properties

Nominal thickness (mm):
to 3
3 – 100
100 – 150
150 – 250
Rm – Tensile strength (MPa) Flat and long products
510-680
470-630
450-600
450-600
Nominal thickness (mm):
to 16
16 – 40
40 – 63
63 – 80
80 – 100
100 – 150
150 – 200
200 – 250
ReH – Minimum yield strength (MPa) Flat and long products
355
345
335
325
315
295
285
275
KV – Impact energy (J) longitud.,
-20°
+20°
27
27
27
Nominal thickness (mm):
Mar-40
40 – 63
63 – 100
100 – 150
150 – 250
A – Min. elongation Lo = 5,65 √ So (%) parallel,
22
21
20
18
17
Nominal thickness (mm):
to 1
1 – 1.5
1.5 – 2
2 – 2.5
2.5 – 3
A – Min. elongation Lo = 80 mm (%) parallel,
14
15
16
17
18

S355J0+N Plates Equivalent Grades

DIN,WNr
JIS
AFNOR
BS
EN
UNI
NBN
UNE
GB
ISO
IS
St52-3U SS490B E36-3 50C Fe510C Fe510C AE355C AE355C 16Mn E355C Fe570HT

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
Global Footprint

We Supply To 60+ Countries

UAE UAE
Saudi Arabia Saudi Arabia
USA USA
UK UK
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India India
Italy Italy
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Spain Spain
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South Africa South Africa
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South Korea S. Korea
Malaysia Malaysia
Singapore Singapore
Netherlands Netherlands
Turkey Turkey
UAE UAE
Saudi Arabia Saudi Arabia
USA USA
UK UK
Germany Germany
India India
Italy Italy
France France
Spain Spain
Brazil Brazil
South Africa South Africa
Russia Russia
Japan Japan
South Korea S. Korea
Malaysia Malaysia
Singapore Singapore
Netherlands Netherlands
Turkey Turkey