Galvanized Steel Coil
Our hot-dip galvanized steel coil is a high-performance metal product manufactured through advanced continuous hot-dip galvanizing technology. By coating a dense and uniform zinc layer on the surface of cold-rolled steel, it integrates excellent corrosion resistance, superior formability, reliable weldability and outstanding paint adhesion. As a cost-effective and durable material, it is widely used in various industries worldwide, providing long-lasting protection and stable performance for numerous applications.
Key Advantages
Superior Corrosion Resistance: The zinc layer acts as both a physical barrier and a sacrificial anode, effectively preventing the steel substrate from rusting and corroding. It maintains stable performance in humid, salt-spray, and mild corrosive environments, significantly extending the service life of products.
Excellent Processability: Easy to process with various methods such as cutting, bending, stamping, riveting and welding. The zinc coating adheres firmly to the steel surface and does not peel off easily even during deep drawing and complex forming operations.
Stable Mechanical Properties: Features high strength, good flatness, uniform thickness and consistent structural performance, ensuring reliability and safety in practical applications.
Versatile Surface Options: Available in regular spangle, minimized spangle and zero spangle surface finishes, with passivated, oiled or passivated + oiled surface treatments. It serves as an ideal base for painting and color coating, meeting diverse aesthetic and functional requirements.
Cost-Effective & Eco-Friendly: Low maintenance cost, recyclable and energy-saving, conforming to global environmental protection standards. It is widely recognized in engineering and manufacturing fields for its high cost performance and long service life.
Typical Applications
Our galvanized steel coil is widely used in construction, home appliances, automotive, industrial manufacturing and packaging industries, including but not limited to:
Construction: Roofing sheets, wall cladding, garage doors, ventilation ducts, structural components
Home Appliances: Refrigerator shells, washing machine casings, air conditioner housings, electrical cabinets
Automotive: Body parts, chassis components, corrosion-sensitive parts
Industry: Storage shelves, containers, street light poles, highway guardrails, hardware products
Packaging: Metal packaging containers, packaging sheets
Product Specification
Item | Standard Specification |
|---|
Product Name | Hot-Dip Galvanized Steel Coil (GI Coil) |
Executive Standard | GB/T 2518, EN 10346, ASTM A653, JIS G3302 |
Grade | DX51D+Z, DX52D+Z, SGCC, SGHC, SGC340, Q195, Q235B |
Coating Type | Hot-Dip Galvanized (GI) |
Zinc Coating Weight | Z60, Z100, Z140, Z180, Z275 (g/m², double-sided) |
Thickness | 0.18 mm – 6.0 mm |
Width | 600 mm – 1500 mm |
Length | Customizable (according to customer requirements) |
Surface Finish | Regular Spangle, Minimized Spangle, Zero Spangle |
Surface Treatment | Passivated, Oiled, Passivated + Oiled |
Mechanical Properties | Yield Strength: 180–320 MPa; Tensile Strength: 270–500 MPa |
Packaging | Waterproof Paper + Steel Strip + Wooden Pallet (Export Standard) |
Service & Support
We provide comprehensive service and support to meet your diverse needs:
Customization: Customizable sizes, grades, zinc coating weights and surface treatments
Stable Supply: Sufficient inventory to ensure stable and timely delivery
Quality Assurance: Complete quality inspection system, providing Material Test Certificates (MTC)
Cooperation Mode: Support wholesale, export, OEM and ODM cooperation
