... +/-0.02mmSurface finished20-150g/m2 Zinc-coating Steel gradesSGCC,QGCC, GR.A, GR. B, SPCC, SPHC, DX51D, ect.StandardJIS, GB , ASTM, BS ... grille, etc.(2) Light industries use galvanized sheet to make home appliances case, civil chimney, kitchen utensils, etc.(3) Auto industry mainly ...