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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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S355J2 Plates

S355J2 Plates
Material Grade: EN 10025-2 S355J2 (+N/+AR)
Steel Category: High-Yield Non-Alloy Structural Steel
Impact Property: Guaranteed 27J Minimum at -20°C
Strength Level: 355 MPa Minimum Yield Strength
Supply Condition: Normalized (+N) or As-Rolled (+AR)
Fabrication Edge: Superior Weldability & Cold Forming Properties
Thickness Range: 6.0 mm to 250 mm
Primary Industries: Construction, Wind Towers, & Offshore Structures
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S355J2 Plates are high-strength, non-alloy structural steels that represent the industry standard for load-bearing applications requiring enhanced mechanical properties. Part of the EN 10025-2 specification, the "S355" designation signifies a minimum yield strength of 355 MPa, providing a significant strength-to-weight advantage over standard mild steels. These plates are engineered to offer a reliable balance of high yield strength, excellent weldability, and superior toughness, making them a preferred choice for heavy engineering, bridge construction, and offshore structural components.

The defining technical characteristic of the S355J2 grade is its guaranteed impact performance. The "J2" suffix denotes that the material has undergone rigorous Charpy V-notch impact testing to ensure a minimum energy absorption of 27 Joules at -20°C. This ensures that the steel maintains its structural integrity and resists brittle fracture even in sub-zero temperatures and harsh environments. Typically supplied in a Normalized (+N) condition, S355J2 plates provide a refined grain structure and consistent mechanical properties throughout the thickness of the plate, ensuring safety and durability in wind tower manufacturing, high-rise building frames, and heavy-duty transport equipment.



S355J2 Plates Features

  • » High Yield Strength (355 MPa): Offers superior structural load-bearing capacity compared to standard carbon steels, allowing for reduced material thickness and overall weight in complex designs.
  • » Low-Temperature Toughness (J2): Guaranteed impact resistance of 27 Joules at -20°C ensures the material remains ductile and resists brittle fracture in cold climates and harsh offshore conditions.
  • » Excellent Weldability: Low carbon equivalent (CEV) values ensure the plate is easily weldable using all standard industrial processes without the risk of cold cracking.
  • » Normalized Supply Condition (+N): Heat treatment refines the grain structure, providing uniform mechanical properties throughout the plate and improving the steel's response to machining and bending.
  • » Enhanced Cold Forming: The material is engineered to withstand bending and pressing operations, making it highly versatile for the fabrication of curved structural components and profiles.
  • » Superior Machinability: Its consistent metallurgical structure allows for efficient drilling, milling, and threading, reducing tool wear and improving production speeds in fabrication shops.
  • » High-Stress Reliability: Specifically designed for heavy-duty structural applications where safety and durability are paramount, including bridges, high-rise buildings, and crane booms.
  • » Corrosion Resistance (Optional): While a non-alloy steel, its surface is highly receptive to galvanization or advanced industrial coating systems for enhanced environmental protection.

S355J2 Plates Specification

Standards

  • European Standard: EN 10025-2
  • Grade: S355J2
  • Werkstoff No: 1.0577
  • Equiv: ASTM A572 Gr. 50

Chemistry

  • Carbon (C): 0.20% Max
  • Manganese (Mn): 1.60% Max
  • Silicon (Si): 0.55% Max
  • Sulfur (S): 0.025% Max

Strength

  • Yield Strength: 355 MPa (Min)
  • Tensile Strength: 470 – 630 MPa
  • Elongation: 20% – 22% (Min)
  • Hardness: 140 - 190 HB

Testing & State

  • Impact Test (J2): 27J @ -20°C
  • Supply State: +N (Normalized)
  • Option: +AR (As Rolled)
  • Weldability: Excellent (Low CEV)

Dimensions

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

Verification

  • Certification: EN 10204 3.1 / 3.2
  • CE Marking: Compliance for Structural
  • NDT: Ultrasonic Tested (UT)
  • Marking: Heat No / Grade / Logo

S355J2 Plates Detailed Specifications

Property Specification
Item S355J2 - Offshore & Structural Steel Plate
Thickness 5mm-150mm
Width 1000mm-4500mm
Length 3000mm-18000mm or as custom’s request
Material En 10025-2 Steel Plate, S355J2 Steel Plate
Technique hot rolled
Standard EN 10025-2:2004

S355J2 Plates Chemical Composition

Grade C Mn Si P S Cu CEV
S355J2 0.22 max. 1.6 max. 0.55 max. 0.03 max. 0.03 max. 0.55 max. 0.47 max.

S355J2 Plates Mechanical Properties


Minimum yield strength Reh
MPa
Tensile strength Rm
MPa
Minimum elongation - A
Lo = 5,65 * √So (%)
Notch impact test
Steel grade Nominal thickness
mm
Nominal thickness
mm
Nominal thickness
mm
Temperature Min. absorbed energy
≤16 >16
≤40
>40
≤63
>63
≤80
>80
≤100
>100
≤125
>3
≤100
>100
≤125
>3
≤40
>40
≤63
>63
≤100
>100
≤125
°C J
S355J2 355 345 335 325 315 295 470-630 450-600 22 21 20 18 -20 27

S355J2 Plates Equivalent Grades

EN 10025-2 Germany DIN 17100 UNI JIS GOST
S355J2 1.0577 St 52.3 1.0570 Fe510D SS490YA 17G1S

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)
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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
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Flange and valve supplier Saudi Arabia
Fast delivery industrial materials KSA
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