ChinaCNU Steel is a leading manufacturer and supplier of premium galvalume steel coil for metal roofing, engineered for superior durability and longevity. Our AZ150 Aluzinc coating provides exceptional corrosion resistance, making it the ideal choice for demanding architectural applications. Designed to meet ASTM A792 standards, our coils are the trusted material for contractors and builders worldwide seeking reliable, cost-effective, and aesthetically pleasing roofing solutions for standing seam, corrugated, and long-span roofing systems.
Selecting the right material is critical for roofing performance. Our Galvalume coils (55% aluminum, 43.4% zinc, 1.6% silicon) offer a unique combination of the barrier protection of aluminum and the galvanic protection of zinc. This results in a product with 2-4 times the service life of standard galvanized steel. As a direct factory, ChinaCNU ensures strict quality control from molten metal to final coating, providing consistent gauge, coating weight, and surface quality. Our technical support team works with you to specify the perfect product for your project’s climate and structural requirements.
| Parameter | Specification |
|---|---|
| Material | Galvalume (Aluzinc) |
| Coating Grade | AZ70, AZ100, AZ120, AZ150, AZ185 |
| Thickness Range | 0.12mm – 1.5mm |
| Width Range | 600mm – 1250mm |
| Coil ID | 508mm / 610mm |
| Standard | ASTM A792, AS 1397, JIS G3321, GB/T 14978 |
| Surface Finish | Regular spangle, minimized spangle, smooth |
AZ150 Galvalume has a coating mass of 150g/m² (total both sides) containing aluminum and zinc, offering significantly better corrosion and heat resistance than pure zinc coatings. It typically lasts 2-4 times longer in identical environments.
Absolutely. Our coils are specifically manufactured for deep forming applications. The ductility and coating adhesion meet the rigorous demands of standing seam roof panel roll-forming, ensuring a flawless finish.
Lead times vary based on order volume and specifications. Standard specifications typically have shorter lead times. Contact our sales team via WhatsApp for a precise production and delivery schedule tailored to your project timeline.
Ready to secure a reliable supply of high-quality Galvalume steel coil for your next roofing project? Contact ChinaCNU Steel now for competitive pricing
