Weather-Resistant Steel Plates – Long-Term Strength with Natural Protection Weather-Resistant Steel Plates, commonly known as Corten steel plates, are specially developed steel grades engineered to withstand corrosion from atmospheric exposure. These plates naturally form a stable oxide layer (patina) on their surface, which acts as a protective barrier against further rusting — reducing the need for paint or coatings in most applications. Designed for durability, minimal maintenance, and visual appeal, weathering steel plates are ideal for architectural structures, bridges, industrial equipment, and any outdoor applications where performance and aesthetics matter. Key Benefits: Develops a protective rust layer that seals the surface Superior corrosion resistance in open-air environments Eliminates the need for regular painting or coatings Maintains structural integrity over time Offers strong mechanical performance and good workability Common Grades Available: Corten A – Enhanced with phosphorus, ideal for decorative and architectural use Corten B – Higher strength, better suited for structural and load-bearing elements EN 10025-5 Grades – S355JOW, S355J2W, S355K2W (European weathering steel grades) ASTM Grades – A588, A242 (U.S. specifications for atmospheric corrosion resistance) Typical Mechanical Properties: Grade Yield Strength Tensile Strength Elongation Corten A ≥ 345 MPa 470–630 MPa ≥ 20% Corten B ≥ 355 MPa 485–620 MPa ≥ 19% Typical Applications: Architectural panels, cladding, and sculptures Pedestrian bridges and steel walkways Outdoor equipment, planters, and fencing Rail wagons, shipping containers, and industrial frames Chimneys, power structures, and exposed frameworks Why Choose Weathering Steel: Naturally rusts to form a uniform, protective finish Reduces life-cycle maintenance and painting costs Withstands urban, rural, and industrial environments Offers a blend of structural reliability and visual appeal Conclusion: Weather-Resistant Steel Plates offer a smart, sustainable solution for structures exposed to outdoor elements. With their self-healing rust layer and solid mechanical performance, they are ideal for clients who want a rustic look without compromising durability or structural strength.