... Soft and Full Hard Quality +Rust Resistant Galvalume Steel CoilDX51D+AZ,ASTM A792,AZ50-150,Anti-finger, ... box body1, Al-Zn coated steel coil 2, Standard: JIS G3302, the galvalume steel quality can according to the ... material: DX51D +AZ 4, Surface treatment of the galvalume steel coil: Chromated. Oiled, bright finish, fingerprint resistance 5 ... or as per customers' requests Aluminum Zinc Coated Steel Coil