Premium Zn-Al-Mg coated steel coil offering extreme resistance against environmental oxidation, acid rain, and alkaline environments. Ideal for harsh architectural and heavy industrial uses.
Authentic Steel produces top-tier Zn-Al-Mg coated steel coil engineered to deliver unprecedented atmospheric and chemical protection across severe outdoor environments. By combining zinc with precise proportions of aluminum and magnesium, our Zn-Al-Mg coating technology achieves structural resistance that outperforms conventional galvanized coatings by up to ten times, while providing significantly higher surface hardness and scratch resistance.
The presence of magnesium in the Zn-Al-Mg alloy layer promotes the formation of a dense, tightly bonded protective corrosion product layer called simonkolleite. This continuous protective barrier dramatically slows down oxide progression, making our Zn-Al-Mg coated steel coil exceptionally resistant to acidic precipitation, alkaline soils, livestock enclosure ammonia gases, and harsh industrial pollutants. Furthermore, the material demonstrates superior friction resistance during stamping, deep drawing, and profile bending operations.
| Specification Parameter | Technical Detail |
| Product Name | Zn-Al-Mg Coated Steel Coil |
| Coating Composition | Zinc, Aluminum, Magnesium Alloy |
| Thickness | 0.3 mm - 3.5 mm |
| Width | 870 mm - 1250 mm |
| Coating Mass | 30 g/m² - 450 g/m² |
| Coil ID | 508 mm / 610 mm |
| Coil Weight | 3 - 24 MT |
| Surface Finish | Smooth / Regular Spangle / Anti-fingerprint Coating |
| Applications | Roofing, Cladding, HVAC, Highway Barriers, Livestock Housing |
Our manufacturing line produces Zn-Al-Mg coated steel coils in thicknesses ranging from 0.3mm to 3.5mm and standard commercial widths between 870mm and 1250mm. Coating masses can be customized from 30g/m² up to 450g/m² according to design specifications. Coils are supplied with precise inner diameters of 508mm or 610mm and unit coil weights from 3 to 24 metric tons.
Ideal for architectural roofing, facade cladding, HVAC ductwork, highway sound barriers, transmission tower components, and agricultural building frames, our Zn-Al-Mg steel coil guarantees decades of maintenance-free service. Authentic Steel supports international trade partners with fast order turnaround, custom width slitting, anti-rust oiling, and comprehensive export logistics.
Get in touch with Authentic Steel today for direct factory quotes and customized coil specifications.
Email: bella@authsteel.com / bella@wanlusteel.com
Mobile/Tel/WhatsApp: +86 189 2041 0870
