Standard:ASTM, GB, JIS Grade:DX51D,SGCC,SGCH,G550 Model Number:galvanized steel coil Type:Steel Coil Technique:Cold Rolled Surface Treatment:Galvanized, Passivation or Chromated, Skin Pass,Oil or Unoiled,or Antifinger print Application:roofing sheet, PPGI base material Special Use:High-strength Steel Plate Width:600mm~1250mm Length:Customer Material:DX51D,SGCC,G300,G550,SGCH570 Spangle Types:Free Spangle(No Spangle),Minimal Spangle,Regular Spangle Zinc coating:Z40~Z275 Coil Weight:~10Tons Inner Diameter:508mm / 610mm Tensile strength:200-550 n/mm2