... Roofing,PPGL and Electric box body1, Al-Zn coated steel coil 2, Standard: JIS G3302, the galvalume steel quality can according to the europe ... the material: DX51D +AZ 4, Surface treatment of the galvalume steel coil: Chromated. Oiled, bright finish, fingerprint resistance 5, Thickness of ... the galvalume steel: 0.2mm-2.0mm 6, Width of the galvalume steel coil: 20mm-1, 250mm 7, ...