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About S355J2W+N Weathering Steel Plates
S355J2W+N Weathering Steel Plates are high-performance atmospheric corrosion-resistant structural steel plates manufactured according to EN 10025-5 standards. These plates are specially engineered for long-term outdoor exposure where conventional carbon steel would rapidly corrode. The “+N” normalized condition improves grain structure, weldability, toughness, and dimensional stability, while the weathering steel composition forms a self-protective oxide patina layer that minimizes further corrosion and reduces maintenance costs over time. With a minimum yield strength of 355 MPa and excellent impact resistance, S355J2W+N Corten steel plates are widely used in bridges, railway wagons, industrial chimneys, power plants, architectural facades, container manufacturing, transmission towers, coastal infrastructure, and heavy outdoor steel structures. Triton Alloys Inc. maintains ready stock of S355J2W+N weathering steel plates in India with custom thicknesses, plasma cutting, CNC profiling, third-party inspection, and worldwide export supply. All plates are supplied with EN 10204 3.1 / 3.2 Mill Test Certificates (MTC) for complete traceability and international project compliance.
Why Choose Triton Alloys Inc. for S355J2W+N Plates?
At Triton Alloys Inc., we aren’t just steel suppliers — we’re your structural solutions partner. Here’s why engineers, contractors, and procurement heads worldwide trust us for S355J2W+N plates:
◇ EN 10025-5 Certified Plates ensuring consistent quality and durability.
◇ Competitive pricing with bulk availability for urgent projects.
◇ Global logistics support ensuring on-time delivery worldwide.
◇ Expert technical advice on fabrication, welding, and structural use.
◇ Custom cutting, surface finishing, and processing available on request.
◇ Trusted by infrastructure companies, architects, railways, and heavy industries globally.
Industries Using S355J2W+N Weathering Steel Plates
Due to their superior atmospheric corrosion resistance, high tensile strength, and low maintenance requirements, S355J2W+N plates are extensively used across infrastructure, transportation, industrial, and architectural sectors worldwide.
- ◇ Railway wagon manufacturing and freight containers
- ◇ Bridge construction and highway infrastructure projects
- ◇ Architectural facades and outdoor steel structures
- ◇ Industrial chimneys, ducts, and exhaust systems
- ◇ Coastal structures and marine atmospheric environments
- ◇ Power plants, renewable energy, and transmission towers
- ◇ Mining equipment and heavy engineering fabrication
S355J2W+N Plate Specifications
| Item | S355J2W+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, S355J2W+N Steel Plate |
| Technique | hot rolled |
| Standard | EN 10025-2:2004 |
S355J2W+N Mechanical Properties
| Nominal thickness (mm) | ≤16 | >16 | ||
| Yield strength (MPa) | ≥ 355 | ≥ 345 | ||
| Nominal thickness (mm) | < 3 | ≥ 3 | ||
| Tensile strength (MPa) | 510 – 680 | 470 – 630 | ||
| Nominal thickness (mm) | 1,5 < t ≤ 2 | 2< t ≤ 2,5 | 2,5< t < 3 | ≥ 3 |
| Total elongation A80% | ≥ 16/14 | ≥17/15 | ≥18/16 | |
| Total elongation A5% | ≥ 22/20 | |||
| Temperature (°C) | -20 | |||
| Notch impact energy (J) | ≥ 27 |
Typical Applications for S355J2W+N Plates
- ◇ Bridge Construction- Used in the Millau Viaduct (France) for corrosion-resistant decking without painting.
- ◇ Coastal Railings - Installed in New York's Brooklyn Bridge Park waterfront walkways for saltwater resistance.
- ◇ Architectural Facades- Featured on the Angel of the North sculpture (UK) for its stable rust patina.
- ◇Power Plant Ducts - Utilized in German thermal plants for flue gas corrosion resistance up to 400°C.
- ◇ Highway Sound Barriers - Implemented along Japan's Tomei Expressway for low-maintenance noise reduction walls.
real-world use cases of S355J2W+N Plates:
S355J2W+N Equivalent Grades | Global Standards Comparison
| EN 10025-2 | Steel Number | DIN, WNr | USX CORP (proprietary) | European old EN | JIS | BS | AFNOR |
| S355J2W+N | 1.8963 | WTSt 52-3 | COR-TEN B ® | S355J2G2W | SMA50CP | WR50C | E36 WB 4 |
S355J2W+N Chemical Composition | Corrosion-Resistant Alloy
| Grade | C | Si | Mn | P | S | N | Cu | Cr | CEV |
| S355J2W+N | 0.16 max. | 0.50 max. | 0.50/1.50 | 0.030 | 0.030 | 0.009 | 0.25 - 0.55 | 0.40 - 0.80 | 0.44 max. |
India, Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Spain, France, United Kingdom, Indonesia, Israel, Iran, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Venezuela, Ecuador, Netherlands, Brazil, Colombia, Ghana, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Qatar, Russia, Vietnam, South Africa, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Romania, Thailand, Trinidad & Tobago, Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia.
Mumbai, Thane, Navi Mumbai, Pune, Pimpri-Chinchwad, Vadodara, Kolkata, Gurgaon, Ahmedabad, New Delhi, Bengaluru, Chennai, Surat, Bhopal, Ulsan, Faridabad, Houston, Dubai, Seoul, Hyderabad, Singapore, Abu Dhabi, Tehran, Calgary, Noida, Riyadh, London, Coimbatore, Jakarta, Istanbul, Bangkok, Kuwait City, Sharjah, Muscat, Edmonton, Busan, Mexico City, Doha, Jeddah, Aberdeen, Cairo, Geoje-si, Perth, Santiago, Chandigarh, Indore, Kuala Lumpur, Rio de Janeiro, Dammam, Melbourne, Madrid, La Victoria, Bogota, Lahore, Los Angeles, Algiers, Chiyoda, Ankara, Ho Chi Minh City, Toronto, Hong Kong, Rajkot, Brisbane, Petaling Jaya, Ernakulam, Secunderabad, Gimhae-si, Al Jubail, Port-of-Spain, Thiruvananthapuram, Milan, Atyrau, Lagos, Hanoi, Howrah, Sydney, Ahvaz, Karachi, New York, Caracas, Vung Tau, Al Khobar, Manama, Montreal, Granada, Courbevoie, Visakhapatnam, Ludhiana, Moscow, Dallas, Haryana, Colombo.
FAQs on S355J2W+N Weathering Steel Plates
S355J2W+N is a high-strength weather-resistant structural steel plate manufactured according to EN 10025-5 standards. It develops a protective oxide layer on exposure to the atmosphere, improving corrosion resistance and reducing maintenance requirements in outdoor applications.
The “+N” designation indicates that the plate is supplied in a normalized or normalized rolled condition. This process improves toughness, grain refinement, weldability, and mechanical performance under structural loading conditions.
S355J2W+N plates are widely used in bridges, railway wagons, architectural cladding, chimneys, transmission towers, industrial structures, marine environments, power plants, and outdoor fabrication projects requiring long-term corrosion resistance.
Yes. Compared to ordinary carbon steel, S355J2W+N provides significantly better atmospheric corrosion resistance, improved durability, lower maintenance costs, and longer service life in outdoor applications.
Yes. Triton Alloys Inc. supplies S355J2W+N weathering steel plates with EN 10204 3.1 / 3.2 Mill Test Certificates and optional third-party inspections from agencies like SGS, DNV, TUV, and Lloyd’s Register.
S355J2W+N plates are commonly available in thicknesses from 6mm to 150mm with custom widths, lengths, plasma cutting, CNC profiling, and fabrication support according to project requirements.
