... GI Strip 3)Width:20-750mm Dx51d z galvanized steel coil and strips1) Hot dipped galvanized steel strip,2) Thickness of zinc coated ... mm2,5) Tensile strength: 315-430n/mm2,6) Standard of galvanized steel coil: JIS G3302, GB/T251B, EN10327, ASTMA653,7) Grade of ... (DX51D+Z), SGCD (DX52D+Z),8) Surface finish of galvanized steel coil: Normal spangle, large spangle, small spangle, matt surface,9) Elongation ...