1.Zinc Coating:20-150gm2 2.Thickness:0. ... tolerance+/-0.02mmwidthness tolerance+/-0.02mmSurface finished20-150g/m2 Zinc-coating Steel gradesSGCC,QGCC, GR.A, GR. B ... models, specifications, and varieties of steel coil,plates and strips. Including cold rolled, hot rolled, galvanized and so ... and are widely used.Our galvanized sheet/coil/strips may have custommade each kind of material and ...