Zinc Coating Weight as per ASTM B498M-83 for galvanized wire.

Specified diameter of coated wire in mm Zinc coating min (g/m²) of uncoated wire surface Class A Class B Class C 1,60 to 1,90 incl. 210 420 630 over 1,90 to 2,30 incl. 220 440 660 over 2,30 to 2,70 incl. 230 460 690 over 3,10 to 3,50 incl. 260 520 780 over 3,50 to 3,90 incl. 270 540 810 over 3,90 to 4,50 incl. 275 550 825 over 4,50 to 4,80 incl. 300 600 900