... +Soft and Full Hard Quality +Rust Resistant Galvalume Steel CoilDX51D+AZ,ASTM A792,AZ50-150,Anti-finger,thickness ... 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 ... or as per customers' requests Galvalume Coated Steel Coils