What Makes AZ30-AZ275 Prepainted Steel Coil Stand Out For Panels & Roof?
July 3, 2026
When it comes to selecting materials for wall panels and roofing systems, durability, weather resistance, and aesthetic appeal are non-negotiable. The G350 Prepainted Galvanized Steel Coil with AZ30-AZ275 zinc coating from HUIYI offers a reliable solution for modern construction projects. But what sets this product apart from standard galvanized steel?
Why Choose G350 Prepainted Steel Coil?
This material starts with a high-strength G350 galvanized steel base, which provides excellent structural integrity. The zinc coating (AZ30 to AZ275, or 30–275g/m²) acts as a sacrificial layer, preventing rust and extending the service life of roofing and wall panels even in harsh environments.
Superior Surface Protection
The coil features a precision-applied paint system with options including PE, SMP, HDP, and PVDF coatings. Each type offers different levels of durable protection and weather resistance, ensuring long-lasting color and gloss retention for exterior applications. The topcoat thickness ranges from 17–25μm, with a back coat of 5–10μm for added protection.
Key Specifications at a Glance
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Thickness: 0.12mm – 1.5mm
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Width: 600mm – 1500mm
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Zinc Coating: Z30 – Z275
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Standards: ASTM, AISI, GB, JIS, DIN, EN
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Inner Diameter: φ508mm / φ610mm
Versatile Applications
The G350 prepainted steel coil is suitable for a wide range of uses:
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Roofing panels and wall cladding
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Rolling shutter doors and louver systems
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Workshops, prefabricated factories, and kiosk structures
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HVAC equipment and ventilation housings
Reliable Supply and Safe Delivery
With a monthly supply capacity of 5,000 tons and delivery within 15–35 days, HUIYI ensures stable availability for large-scale projects. Each coil is carefully padded, sealed against moisture, and securely palletized to withstand heavy ocean or road freight.
Conclusion
If your construction project demands a prepainted steel coil that combines strength, corrosion resistance, and lasting visual appeal, the G350 AZ30-AZ275 coil is a choice worth considering. Its versatility across wall, roof, and industrial applications makes it a practical investment for builders and contractors alike.
Contact us with your specifications for a customized quote.