... ,can be used for Roofing,PPGL and Electric box body1, Al-Zn coated steel coil 2, Standard: JIS G3302, the galvalume steel quality can according to the ... the material: DX51D +AZ 4, Surface treatment of the galvalume steel coil: Chromated. Oiled, bright finish, fingerprint resistance 5, Thickness of the ... ,Package: Fancy package or as per customers' requests Aluminum Zinc Coated Steel Coil