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Galvanized Iron Coil – Hot-Dip Zinc Coated Steel Coil for Fabrication, Roofing & Industrial Use

Hot-dip galvanized iron (GI) coils with excellent corrosion resistance and formability. Widely used in roofing, ductwork, automotive panels, appliances, and structural steel applications.
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  • SGCC

  • ZHONG RUN

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.

PRODUCT SPECIFICATIONS

  • 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


PRODUCT FEATURES:

  1. Strong corrosion resistance in humid and marine environments

  2. Excellent formability for bending, punching, and profiling

  3. Weldable and paintable for various fabrication processes

  4. Cost-effective protection compared to stainless steel

  5. Recyclable and RoHS compliant

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SGCC Hot-dip galvanized steel coils of show


Product Advantage

sgcc gi coils

EXCELLENT CORROSION RESISTANCE

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.


SGCC Steel rolls

EXCELLENT MECHANICAL PROPERTIES

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.





sgcc steel coils supplier

VARIOUS SPECIFICATIONS AND CUSTOM PROCESSING AVAILABLE

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


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Zhongrun Steel (Foshan) Co., Ltd. is located in the beautiful Foshan City, Guangdong Province. It has 25 years of production and sales experience, exported to more than 30 countries, and has more than 500 cooperative customers.

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