GB Q355GNH Corten Steel Plate Sheet

Q355GNH Corten Steel Plate/Sheet is a high-strength weathering steel compliant with the Chinese GB/T 4171 standard, offering superior atmospheric corrosion resistance and mechanical performance. Designed for harsh environments, it forms a stable protective rust layer, reducing maintenance costs while ensuring long-term durability.

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Description

Key Features & Advantages

Excellent Weather Resistance – Develops a dense oxide layer to resist corrosion in humid, industrial, or coastal climates.
Enhanced Strength – Higher yield strength (≥355 MPa) compared to standard carbon steel, ideal for load-bearing structures.

Weldable & Fabrication-Friendly – Compatible with common welding/cutting methods, suitable for complex structural designs.
Low Maintenance – Eliminates the need for painting in most applications, saving lifecycle costs.
Aesthetic Appeal – Evolves into an attractive rust-brown patina, popular in modern architecture.