Galvanized pipes, also known as galvanized steel pipes, are divided into hot-dip galvanizing and electro-galvanizing. Among them, hot-dip galvanizing has thick galvanized layer, and has the advantages of uniform coating, strong adhesion and long service life. While electro-galvanizing has low cost, the surface is not very smooth, and its corrosion resistance is much worse than that of hot-dip galvanized pipes. Galvanized pipes are now mainly used for transporting gas and heating.
Galvanized pipes are used as water pipes. After a few years of use, a lot of rust will form inside the pipes. The yellow water flowing out not only pollutes the sanitary ware, but also contains bacteria that grow on the rough inner wall. The rust causes excessive heavy metal content in the water, which seriously endangers human health.
Tips for choosing galvanized steel pipes
Zinc hardly changes in dry air. If a layer of zinc is coated on the surface of the steel pipe, it can prevent the steel pipe from being corroded. We call a type of steel pipe galvanized pipe. The performance of galvanized steel pipe is better than other ordinary steel pipes. When purchasing galvanized steel pipes, you can choose according to the following points.
1. Smooth appearance, no zinc nodules or burrs, silvery white.
2. No hydrogen embrittlement, no temperature damage, can ensure the mechanical properties of the material remain unchanged.
3. Good corrosion resistance, neutral salt spray test up to 240 hours.
Cleaning and maintenance of galvanized steel pipes
When cleaning galvanized pipes, avoid adding cleaning agents to the water. When cleaning, many people do not understand the reason and use strong detergents to remove stains, which is actually not scientific enough. There will be a coating on the outside of the galvanized pipe, and the cleaning agent will reduce the friction between the brush and the guardrail, affecting the cleaning effect. The chemical substances contained in it will directly cause the outer layer to fall off, which will directly reduce the service life of the galvanized pipe and reduce the safety effect.
So, what should be combined with the storage of galvanized steel pipes?
Let's talk about the preservation method of galvanized steel pipes. It is also an important part of preserving galvanized steel pipes. In some steel mills or industrial bases, we can see the use of galvanized pipes, especially in construction occasions. They are the main materials for building buildings or some special equipment. However, if this kind of steel pipe is not effectively protected during storage and use, it will not be able to function, or even deform and corrode.
First, consider the environment. If you have such pipes in your environment and need to preserve them, you need to consider the surrounding environment when preserving them, because only in this way can the pipes be better preserved and will not be corroded or eroded. The surrounding environment should preferably be dry, free of pollutants, and have a better purification effect.
Second, consider the ventilation effect. If the surrounding environment is too sealed or too cool when storing galvanized pipes, the effect of the entire environment on the pipes will be extremely unfavorable. Over time, the pipes will be corroded or eroded by moisture and humid gases, leading to rust. Therefore, when storing such pipes, the ventilation effect of the surrounding area must be considered to ensure dryness.
Read more: Tips for Welding Galvanized steel pipes
