October 13, 2022
1. Firstly, use solvent to clean the steel surface and remove the organic matter on the surface.
2, then use tools to remove rust (wire brush), remove loose or inclined scale, rust, welding slag, etc.,
3, the use of pickling.
Galvanized is divided into hot plating and cold plating, hot plating is not easy to rust, cold plating is easier to rust.
