Prepainted Steel Strip Prepainted Steel StripRaw Material:Hot Dip Galvanized Steel Coil/Hot Dip AL-ZN Coated Steel CoilZn:60-275g/m2 AL-ZN:60-180g ... :DX51D,DX52D,DX53D,S220GD,S250GD,SGCCSurface treatment:chromated,unoiled/oiled,bright finished,spangle,fingerprint resistance.Surface protection:PE,PVDF,HDP,SMPThickness ... of buildings,structure,tile row plate,deep drawing,etc. Prepainted Steel Strip