S355J2WP Corten Steel is a hot-rolled structural steel developed for applications requiring high resistance to atmospheric corrosion. Alloyed with chromium, copper, and phosphorus, it forms a stable patina layer on the surface when exposed to weather.
This rust-like coating prevents further corrosion, effectively extending the steel's service life without the need for painting or maintenance.
Engineered for structural durability and environmental resilience, S355J2WP Corten Steel Plate is widely used in bridges, infrastructure, architectural facades, and welded heavy-duty applications.
Specifications
Thickness: 6mm – 250mm
Width: 1650mm – 3700mm
Length: 3000mm – 18000mm
Delivery Conditions: +N (Normalized) / +AR (As Rolled)
Tests: HIC, Z15/Z25/Z35, UT, -20°C Charpy V-Notch
Chemical Composition (% by weight)
|
Element |
C ≤ |
Si ≤ |
Mn ≤ |
P |
S ≤ |
Cr |
Cu |
|
Content |
0.12 |
0.75 |
1.00 |
0.06–0.15 |
0.030 |
0.30–1.25 |
0.25–0.55 |
*May contain micro-alloying elements such as Nb, V, Ti, or Al to enhance performance.
Mechanical Properties
|
Property |
Value |
|
Yield Strength |
≥355 MPa (for t ≤ 16 mm) |
|
Tensile Strength |
510–680 MPa |
|
Elongation |
≥19% (varies by thickness) |
|
Impact Toughness |
27J at -20°C |
Features
✅ Self-Protecting Rust Layer
Forms a dense oxide film that shields the steel surface from further degradation, eliminating the need for protective coatings.
✅ Excellent Structural Strength
With a yield strength of ≥355 MPa and tensile strength ranging from 510 to 680 MPa, S355J2WP Weathering Steel Plate is suitable for demanding load-bearing applications.
✅ Reliable in Harsh Environments
Performs well in coastal, industrial, and high-humidity environments where conventional carbon steel may corrode rapidly.
✅ Superior Weldability and Workability
Easy to cut, weld, and form using standard processes, making it ideal for both factory fabrication and on-site construction.
✅ Architectural Appeal
Its naturally weathered appearance provides an attractive, earthy aesthetic often used in exposed structures and modern design.
Applications
S355J2WP Corten Steel Plate is intended for use in welded structures subjected to outdoor exposure and dynamic loading, such as:
Bridge beams, decks, and safety railings
Hydraulic structures (e.g., floodgates, spillways)
Storage tanks, water towers, and silos
Architectural panels and cladding systems
Industrial chimneys, pylons, containers, and rail wagons
We offer customized cutting and processing services for S355J2WP Weathering Steel Plate and maintain large inventories for fast delivery.
Material test certificates (MTC) and inspection reports are available upon request. Contact us today for pricing, technical support, or to request samples.
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