... +/-0.02mmwidthness tolerance+/-0.02mmSurface finished20-150g/m2 Zinc-coating Steel gradesSGCC,QGCC, GR.A, GR. B, SPCC, SPHC, DX51D, ect ... implements. We can supply various models, specifications, and varieties of steel coil,plates and strips. Including cold rolled, hot rolled, galvanized ...