... ,Q2355)ISO SGSthickness0.2mm-1.5mmwidth600mm-1500mm zinc coating60g-275g standard ASTM, AISI, DIN, GB material SGCC,DC51D,DX51D,DX52D,SPCC ... surface treatment Zinc Coating:60g/m2 to 275g/m2 surface structure regular spangle thickness tolerance ± 0.02mm packing export standard packingexport standard packing