S355J0W / 1.8959 Weathering Steel (Corten B)

Steel S355J0W (Corten)

📌 Overview and Technical Specifications

Steel S355J0W (Corten) is a weather-resistant low-alloy structural steel known for its high corrosion resistance due to the formation of a protective oxide layer (patina). It is widely used in construction, mechanical engineering, and industrial design.

🛠 Specifications:

• Hardness: 170–230 HB
• Thickness: from 2 mm to 100 mm
• Yield strength: ≥ 355 MPa
• Tensile strength: 470–630 MPa
• Elongation: 20–25%

🧪 Chemical Composition

• Carbon (C): ≤0.16%
• Silicon (Si): 0.25 – 0.75%
• Manganese (Mn): 0.80 – 1.35%
• Phosphorus (P): 0.030 – 0.080%
• Sulfur (S): ≤0.030%
• Chromium (Cr): 0.40 – 0.70%
• Nickel (Ni): ≤0.65%
• Molybdenum (Mo): ≤0.50%
• Copper (Cu): 0.25 – 0.55%

⚙ Applications

Steel S355J0W (Corten) is widely used in the following industries:

• 🏗 Architectural and structural constructions
• 🚢 Shipbuilding and container manufacturing
• 🚆 Railway wagons and bridges
• 🏭 Industrial equipment and metal structures
• 🎨 Designer facades and art installations

🌟 Features

• ✅ High corrosion resistance due to patination
• ✅ No need for additional anti-corrosion coating
• ✅ Cost-effective in long-term operation
• ✅ High mechanical strength
• ✅ Resistance to environmental conditions

S355J0W weather resistant steel (Corten)

Delivery program : CORTEN A