Seeking High-Strength Structural Steel? Discover S550GD Galvalume Coil.
January 12, 2026
Leading ISO9001-certified Chinese steel manufacturer Huiyi-GL has launched the S550GD Hot-Dipped Galvalume Steel Coil, a high-performance solution engineered exclusively for high-demand construction and structural projects. Designed to enhance structural safety and longevity worldwide, the coil covers a thickness range of 0.12-2.0mm and width of 600-1500mm, meeting diverse industrial needs.
Key Product Advantages
· Superior Coating & Strength: Features a premium 55% aluminum-zinc-silicon alloy coating (30-275g/㎡) and 550 MPa minimum yield strength, delivering exceptional corrosion resistance and mechanical performance that outperforms standard steel grades.
· Versatile Applications: Ideal for load-bearing components (purlins, trusses, beams) in warehouses, high-rises, airports, and power plants. Excellent weldability and formability make it suitable for exposed structural elements in harsh environments.
· Reliable Supply & Logistics: Equipped with anti-finger printing, chromated, and other surface treatments; packaged in 3-layer waterproof export packaging for safe transit. Offers flexible payment terms (L/C, D/P, T/T), 5000MT monthly supply, and 15-30 day delivery.
For global construction firms prioritizing reliability, strength, and cost-effectiveness, our’s S550GD Hot-Dipped Galvalume Steel Coil emerges as a top-tier structural material, combining durability and adaptability for critical building projects.

