1. It offers excellent formability, weldability and weather resistance, with a smooth and uniform surface.
Galvanized steel Coil :
Elevate your manufacturing and construction projects with our flagship Premium Regular Spangle Hot-Dip Galvanized Steel Coils (HDGI,Commercial Quality). Backed by over 30 years of advanced domestic manufacturing experience and 20+ years of global export expertise, our factory utilizes state-of-the-art continuous galvanizing lines to apply a high-purity protective zinc layer to premium cold-rolled base metal. The distinctive, beautifully formed regular zinc spangles offer not only a classic industrial aesthetic but also exceptional sacrificial corrosion protection. This commercial-quality coil is highly versatile, making it the top choice for general fabrication, ductwork, and structural components.Galvanized Steel Coil , GIC .HDGI .China Cheaper Steel Coil .
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Parameter |
Specification Details |
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Product Type |
Hot-Dip Galvanized Steel Coil (HDGI) |
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Zinc Purity |
99.99% Pure Zinc Coating |
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Thickness Range |
0.10 mm – 3.5 mm |
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Width Range |
870 mm – 1250 mm |
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Zinc Coating Mass |
Z30 – Z600 g/m² (Total Double-Sided) |
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Surface Finish |
Regular Spangle / Normal Spangle |
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Steel Grade |
DX51D+Z, SGCC, ASTM A653 CS Type B |
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Surface Treatment |
Chromated, Lightly Oiled / Unoiled |


We ensure your goods survive the toughest maritime conditions. Each coil is tightly wrapped in anti-moisture VCI paper, followed by a heavy galvanized steel protective sheet outer jacket. Minimum 4 radial and 3 circumferential high-tensile steel straps are applied over robust edge guards to guarantee zero movement or friction damage during shipping.Galvanized steel Coil .GIC .HDGI .China Cheaper Steel Coil
Three Decades of Production Mastery: Manufactured in our ISO-certified mill with a 30-year history of optimizing metallurgical bonding.Galvanized steel Coil ,GIC .HDGI .China Cheaper Steel Coil
20+ Years Export Reliability: Well-versed in international trade documentation, customs processes, and container optimization.Galvanized steel Coil,GIC .HDGI .China Cheaper Steel Coil ,until 2026 years , we have export to over 78 countries .
Factory-Direct Pricing: Buy straight from the primary producer to eliminate trading marks and protect your bottom line.
Comprehensive Certification: We readily supply Mill Test Certificates (MTC), ISO 9001, CE, and country-specific markings like the Indonesian National Standard (SNI).Galvanized steel Coil .GIC .HDGI .China Cheaper Steel Coil
Accelerated Dispatch: Optimized logistics chains guarantee exceptionally fast lead times and prompt port delivery.
We provide global clients with stable supplies, rigorous quality control, and customized solutions. For inquiries or quotations, Please contact us:
Sales Specialist : Ms. Lina
Email: lina@authsteel.com
Phone: +86-137 5206 8850
WhatsApp: +86-137 5206 8850
We will respond within two working hours with professional advice and a quotation.
galvaized steel coil