2nd step of Cleaning steel to prepare for the hot-dip galvanized coating Pickling Next the steel is “pickled” in a dilute solution of either hydrochloric or sulfuric acid (Figure 4), which removes oxides and mill scale. Once all oxidation has been removed from the steel, it is again rinsed with water and sent to the final step of the surface preparation.

- Jan 10, 2019-

2nd step of Cleaning steel to prepare for the hot-dip galvanized coating

Pickling

Next the steel is “pickled” in a dilute solution of either hydrochloric or sulfuric acid (Figure 4), which removes oxides and mill scale. Once all oxidation has been removed from the steel, it is again rinsed with water and sent to the final step of the surface preparation.