... :TDC51D+Z Zinc quantity:180g/m2 The diameter of the coil :508mm ItemPPGICertificateISO9001-2000StandardJIS G3302,ASTM,A653m/A924M,DIN17162-1-79 ... ,GB/T1839-93GradeQ235,Q345,SPCC,SPCD,SGCC,SGCH.Thickness0.18-0.6mmWidth914mm 1000mm 1200mm 1250mmLengthAs per your special needColorRAL colorZinc coating60 ... days after receiving your prepaidPaymentT/T,L/C at sight hot rolled galvanized steel coil