(1) When stacking, galvanized steel pipes should be free from condensed water and residual heat on their surfaces;
(2) The warehouse should maintain good air circulation, and the moisture content in the air should not be within the range of 60 to 95%;
(3) Avoid stacking in areas with high concentrations of harmful gases and dust;
(4) Apply oil, perform passivation treatment, or apply organic coatings on the surface of the galvanized layer.
