The service life of corrugated galvanized steel plate is quite considerable, and the specific duration is affected by various factors. However, it can usually reach 50 to 100 years, and there are even instances of over a hundred years of use still in good service. The following is a detailed analysis of how long does corrugated galvanized steel plate last can be used:

1. The protective effect of galvanized layer

The reason why corrugated galvanized steel plate has a longer service life is mainly due to the galvanized layer on its surface. This layer of zinc can prevent direct contact between oxygen and moisture and steel, greatly slowing down the corrosion rate of steel. The chemical properties of zinc are more reactive than iron, and it will prioritize sacrificing itself during the corrosion process to protect the internal steel from corrosion.

2. The impact of usage environment

Indoor and outdoor environments: Galvanized corrugated steel can usually maintain a longer service life in indoor environments because the indoor environment is relatively dry and has fewer corrosion factors. In outdoor environments, due to long-term exposure to natural factors such as wind, rain, sun, and rain, the galvanized layer may gradually be damaged, thereby affecting its service life.

Special environment: In saline alkali land, humid environment, and areas with strong chemical erosion, the service life of corrugated galvanized steel plate may be affected to some extent. However, even so, its corrosion resistance is still superior to ordinary steel.

3. Maintenance and upkeep

Although corrugated galvanized steel plate has strong corrosion resistance, it still requires appropriate maintenance and upkeep during use to extend its service life. For example, regularly clean the surface of dust, dirt, and other impurities, avoid scratching the galvanized layer with sharp or hard objects, and prevent heavy or sharp objects from colliding with corrugated galvanized steel plate.

4. Product Quality and Manufacturing Process

The service life of corrugated galvanized steel plate is closely related to its product quality and manufacturing process. High quality corrugated galvanized steel plate usually adopts advanced manufacturing processes to ensure uniform and firm galvanized layers, and has good corrosion resistance. In addition, reasonable product design and structure can also improve the bearing capacity and service life of corrugated galvanized steel plate.
In summary, the service life of corrugated galvanized steel plate is quite long, but the specific duration is influenced by various factors. In order to extend its service life, it is recommended to pay attention to maintenance and upkeep during use, and choose high-quality products and reasonable manufacturing processes.