Our Galvanized Steel Coil (GI Coils) are produced through a continuous hot-dipped galvanizing process, bonding a protective zinc layer to a cold-rolled steel substrate. This results in a material that offers the perfect synergy between the strength of steel and the sacrificial corrosion protection of zinc, ensuring a long service life in demanding environments.
Key Features & Advantages:
Superior Corrosion Resistance: The uniform zinc coating provides both a physical barrier and galvanic protection, preventing rust even if the surface is scratched or cut.
Excellent Formability: Our coils are annealed to provide the ductility required for complex roll-forming, deep drawing, and bending operations without the zinc layer peeling or cracking.
Aesthetic Options: We offer a range of surface finishes, from the traditional industrial look of Big Spangle to the smooth, modern finish of Zero Spangle, which is ideal for subsequent painting (PPGI).
Advanced Surface Passivation: Treated with chromic acid or anti-fingerprint coatings to ensure the steel remains bright and free from “white rust” during storage and international shipping.
Primary Applications:
Construction: Corrugated roofing sheets, purlins, HVAC ductwork, and structural profiles.
Appliance & Industrial: Exterior panels for refrigerators, washing machines, and electrical cabinets.
Automotive: Internal structural parts and corrosion-resistant body panels.
Details
| Standard | EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
|---|---|
| Surface | Normal spangle coating(NS) |
| Material | CGCC/SGCH/G350/G450/G550/DX51D/DX52D ,etc |
| Galvanized Coating | Z30g/m2-Z350g/m2 |
| Thickness | 0.12mm-4.0mm or 0.8mm/1.0mm/1.2mm/1.5mm/2.0mm /etc. |
| Width | 600mm-1500mm or 914mm/1000mm/1200mm/1219mm/1220mm/etc. |
| Coil Weight | 3 Tons -20 Tons ,or as customer requirements |
| Coil ID | 508mm/610mm |
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