| Specification Parameter | Standard Range / Options |
| Material Standards | ASTM A792M (DS Grade) / EN 10346 (DX51D+AZ) |
| Coating Composition | 55% Aluminum, 43.5% Zinc, 1.5% Silicon |
| Coating Mass Options | AZ20 to AZ185 (Double-sided) |
| Thickness Range | 0.25mm – 2.0mm |
| Width & Surface | Width: 600mm – 1250mm; Spangle: Regular aluzinc spangle, anti-fingerprint treated |
Welcome to Authentic Steel Ltd, your premier global partner for advanced metallic-coated flat steel solutions. As an established Custom size ASTM A792M steel coil factory, we specialize in providing superior China ASTM A792M galvalume coil inventory engineered to meet the demanding requirements of international building envelope contractors, roofing manufacturers, and industrial fabricators worldwide. Our advanced aluzinc coils combine exceptional atmospheric corrosion defense with outstanding thermal reflectivity.
Our galvalume coils are produced on continuous hot-dip coating lines using a precise metallic composition of 55% aluminum, 43.5% zinc, and 1.5% silicon. This scientific matrix leverages the synergistic benefits of both elements to protect the underlying carbon steel substrate.
Superior Corrosion Resistance: Aluminum-rich dendrites provide a passive, highly durable barrier against moisture and industrial fallout, while zinc components offer sacrificial edge protection.
Excellent Formability: Produced in commercial drawing structures like Wholesale DS grade aluzinc steel supplier inventory and DX51D variants, allowing smooth roll-forming, stamping, and bending without coating flaking.
Thermal Efficiency: High heat reflectivity minimizes solar energy absorption, making it an energy-efficient choice for architectural roofing systems.
The unique durability and thermal performance of our aluzinc coils make them essential across multiple volume-driven sectors:
Architectural Roofing & Cladding: Extensively utilized for corrugated roof sheets, standing-seam panels, wall claddings, and flashing trim.
Automotive & Industrial Exhausts: Ideal for manufacturing automotive heat shields, muffler components, and high-temperature appliance housings.
Agricultural & Outdoor Structures: Perfect for grain storage bins, silos, and outdoor industrial framing exposed to challenging weather environments.
Procuring international-grade metals requires a dependable mill partner who guarantees strict standard compliance and dimensional consistency. When you source through our established channels, you gain direct access to premier China 55% aluminum zinc steel roll inventory backed by major operational advantages:
Rigorous Quality Control: Every production lot undergoes strict triple-spot coating mass evaluation, T-bend flexibility tests, and mechanical tensile checks before dispatch.
Competitive Commercial Terms: We cater to global distributors seeking Bulk DX51D AZ150 galvalume coil China shipments supported by flexible order volumes and transparent pricing structures.
Export-Grade Logistics: As a trusted Wholesale DS grade aluzinc steel supplier, our logistics team ensures secure interleaf paper protection, robust strapping, and export-grade seaworthy packaging for safe global transit.
Enhance your structural product longevity and secure reliable aluzinc inventory today. Contact our expert sales team to request a customized quotation, obtain mill test certificates, or discuss tailored specifications for your next volume project.
