There are numerous factors that affect the normal microstructure of galvanized coatings, but the three most significant ones can be summarized as follows:
(1) Changes in the chemical and physical properties of the steel pipe substrate itself;
(2) Variations in the temperature and immersion time during galvanizing (which correspond to intensity and quantity factors, respectively);
(3) The addition of other alloy components (or chemical elements) to the molten zinc.
