HDGI Strip HDGI strip have a very strong corrosion resistance and long use life, and it is used to make steel pipe. StandardAISI, ASTM, BS, DIN, GB, JIS, etcGradeSGCC, DX51D, DX53D, DX54D, etcThickness0.14-2.5mmWidthless than 600mmInner Diameter508/610mmCoil Weight1.5-4.0TZinc Coating60g/m2-180g/m2Spangle Stateregular spangle, small spangle, big spangle, non-spangleSurface TreatmentChromate, Oil, ...