S550GD Hot Dipped Galvalume Steel Coil 0.12-2.0mm Thickness For Construction
Price:
Negotiation
MOQ:
25Tons
Delivery Time:
15-30 Days
Brand:
Huiyi-GL
Product Description
S550GD Hot Dipped Galvalume Steel Coil
Engineered for structural integrity, our S550GD Hot Dipped Galvalume Steel Coils are formulated for high-load construction applications. Featuring a premium 55% aluminum-zinc-silicon alloy coating hot-dipped onto high-yield-strength S550GD base steel, this product delivers exceptional mechanical strength and corrosion resistance, far exceeding standard grades. It is specifically processed to withstand severe environmental stress, offering superior longevity for critical structural frameworks. The optimized surface ensures excellent weldability and consistent performance under heavy loads, making it a reliable, high-performance material for engineers and builders.
Product Specifications
| Product Name | Hot Dipped Galvalume Steel Coil |
|---|---|
| Thickness | 0.12 - 2.0mm |
| Width | 600mm-1500mm |
| Alu-Zinc Coating | 60-275g/m² |
| Standards | ASTM A792, JIS G3321, EN 10346 |
| Hardness | Soft, Hard, Full hard |
| Coating Composition | 55% Aluminum, 43.5% Zinc, 1.5% Silicon |
| Steel Grade | DX51D+AZ, DX52D+AZ, DX53D+AZ, S220GD-S550GD |
Primary Applications: Construction & Structural
- Heavy-Duty Building Structures: Ideal for primary and secondary structural elements like purlins, trusses, wall frames, and support beams in warehouses, factories, and high-rise buildings.
- Industrial Construction Projects: Specified for corrosion-resistant cladding and roofing on airports, logistics hubs, and power plants where long-term performance is critical.
- Infrastructure & Transportation: Used in sound barriers, interior panels for transportation vehicles, and utility building components requiring high strength-to-weight ratio.
- Reinforced Architectural Features: Suitable for load-bearing façade elements, sunshades, and canopies that demand both formability and structural strength.
Packing and Shipping
Each coil is protected with VCI rust-inhibitive paper, heavy-duty PE wrapping, and secured on wooden pallets with steel edge protectors. Customized packing is available. We specialize in global FOB/CIF shipments from China, with reliable partners ensuring timely delivery: Approx. 15-20 days to Asia, 30-45 days to other continents.
FAQ
What makes S550GD Galvalume different from DX51D?
S550GD is a high-strength, structural steel grade with a minimum yield strength of 550 MPa, designed for load-bearing applications. DX51D is a standard forming grade with lower strength. The S550GD variant is engineered where structural support is as critical as corrosion resistance.
Can S550GD Galvalume be welded for construction?
Yes. It offers good weldability. However, for optimal results in structural work, we recommend following specific welding procedures suitable for high-strength, coated steels to preserve coating integrity at the weld zone.
Is this coil suitable for exposed structural applications?
Absolutely. The heavy 55% Al-Zn coating (up to 275 g/m²) provides superior corrosion and heat resistance, making it an excellent choice for exposed structural elements in harsh environments.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanghai Huiyi International Co., Ltd.
Location
Room704-2,A7 building,No.1688,North Guoquan Road,Yangpu District,Shanghai,China.
Contact Person
Zhang Hui