How Does 55% Aluminum Galvalume Steel Coil Protect Automotive Components?
April 3, 2026
S300GD AZ60 Galvalume Steel Coil: A Smart Choice for Automotive Manufacturing
As automotive manufacturers seek materials that balance durability, weight, and corrosion resistance, the S300GD AZ60 Galvalume Steel Coil with 55% aluminum is emerging as a practical solution for body parts, hoods, radiator supports, and other critical components.
This product features a hot-dip coating of 55% aluminum, 43.4% zinc, and 1.6% silicon over a steel substrate. The combination delivers dual protection: aluminum provides a strong barrier against rust, while zinc offers sacrificial protection along cut edges. This means better resistance to corrosion and heat compared to many traditional steel products.
Key Advantages for Automotive Use
· Corrosion Resistance: The aluminum-zinc coating withstands exposure to moisture, salt, and road chemicals, helping extend the service life of automotive parts.
· Heat Tolerance: With excellent performance under high temperatures, this material is well suited for engine-adjacent components like radiator supports.
· Formability: Available in thicknesses from 0.12mm to 2.0mm and widths up to 1500mm, it can be shaped to meet complex automotive designs.
· Surface Options: Comes with oiled, chromated, or anti-fingerprint treatments, as well as color choices including silver, blue, green, and golden.
Reliable Supply and Global Shipping
The S300GD AZ60 coil meets international standards such as ASTM A792, JIS G3321, and EN 10346. Steel grades range from DX51D+AZ to S550GD+AZ, with coating weights from AZ30 to AZ275.
Each coil is packed with a three-layer system: VCI anti-rust paper, PE waterproof film, and steel strapping on pallets with edge guards, supporting up to 8 tons per unit. Delivery to Asian markets takes 15–20 days, while other global destinations receive shipments within 30–45 days on FOB or CIF terms.
Customer-Friendly Policies
Buyers can request a quote by sharing specifications such as material grade, thickness, width, and quantity. Payment options include 30% T/T deposit with balance against B/L copy, or 100% irrevocable L/C at sight. Other arrangements can be discussed to meet specific needs.
For automotive projects that demand long-lasting protection and reliable performance, the S300GD AZ60 Galvalume steel coil offers a proven solution.
Contact us for technical samples and customized quotes.