... A 653 Material Grade: SGCC, SGCD1, SGCD2,DX51D+Z, DX52D+Z, DX53D+D,etc2)Thickness: 0.17~4.0mm. ... 10142, ASTM A 653.MaterialSGCC, SGCD1, SGCD2,DX51D+Z, DX52D+Z, DX53D+D,etcSurfaceChromated, unoiled/oiled, minimum or regular ... other standard as the customers' requirement Surface Treatment of Hot-dipped Galvanized Steel coil : Surface TreatmentFeaturesChemical passivating treatmentminimize the chance ...