... .6mm*750-1000mm 3)ISO9001 QC, factory audit zinc steel/galvanized g60 coils/galvanized metal tile sheets GradeSGCC, SGCH, DX51D+ZStandardJIS, ASTM, ... GB, DINZinc CoatingNon-alloyed galvanized(GI)Zinc thickness60-140g/m2(two-sided uniform thickness)Coil ID508mmCoil weight5-10 tonsThickness0.14-0 ... factory,3. Qualification: ISO9001-2000 Certified, factory audit available galvanized steel coil