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Product Description
Galvanized Iron Coil, commonly referred to as GI Coil, is produced by immersing cold-rolled steel in a molten zinc bath through the continuous hot-dip galvanizing process. The zinc coating protects the base steel from rust and extends service life in both indoor and outdoor environments.
With excellent formability, weldability, and paint adhesion, GI coils are suitable for cold forming, stamping, bending, and roll forming into various finished products. They are available in different spangle sizes, coating weights, and surface treatments to meet industry-specific needs.
Base Material: Cold rolled steel (SPCC, DC01, Q195/Q235)
Standard: ASTM A653 / JIS G3302 / EN 10346
Zinc Coating: Z40 – Z275 g/m² (optional Z350 / G90)
Thickness: 0.12mm – 3.0mm
Width: 600mm – 1500mm
Coil ID: 508mm / 610mm
Coil Weight: 3 – 10 metric tons
Surface Finish: Regular spangle / Zero spangle / Minimized spangle
Surface Treatment: Chromated / Oiled / Dry / Skin-passed
Strong corrosion resistance in humid and marine environments
Excellent formability for bending, punching, and profiling
Weldable and paintable for various fabrication processes
Cost-effective protection compared to stainless steel
Recyclable and RoHS compliant
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Product Advantage
Galvanized steel coils offer exceptional corrosion resistance, ensuring the steel’s integrity is preserved for extended periods, even in harsh environments. The protective zinc layer acts as a barrier, effectively shielding the steel from exposure to air, moisture, and chemicals, significantly prolonging its service life.
Galvanized steel coils possess excellent mechanical properties, including high strength, good plasticity, and strong weldability. These characteristics make them ideal for use in construction, manufacturing, and the automotive industry.
Our galvanized steel coils are available in a wide range of specifications and thicknesses to suit diverse customer needs. We offer customized processing services, including cutting, coiling, and stamping, to meet the specific requirements of various applications.
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APPLICATION
Galvanized iron coils are widely used in construction, automotive, and industrial manufacturing sectors:
Roofing sheets & wall panels – corrugated, trapezoidal, tile types
HVAC ducts and ventilation pipes
Automotive body parts & reinforcement panels
Electrical enclosures & appliance housing
Light steel frames & structural supports
Furniture, shelving, metal cabinets, fencing panels
Formwork, packaging drums, and signboards