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What factors can cause corrosion of galvanized steel pipes?

Nov. 09, 2020

What factors does the manufacturer introduce that can cause corrosion of galvanized steel pipes?

The corrosiveness of cold-drawn seamless steel pipes is already a serious problem. Many manufacturers are also constantly increasing because of corrosion costs. The direct economic loss caused by light corrosion has reached hundreds of millions of yuan each year. It is a very large expenditure. Therefore, the corrosiveness should be dealt with in time to recover economic losses. Why does cold drawn seamless steel pipe corrode? These factors may be directly related to corrosion. Specifically, let's take a look at the relevant introduction:

galvanized steel pipes

1. The first is the influence of external conditions. The main thing is to look at the characteristics and temperature of the medium around the pipe, and whether the medium around the steel pipe is corrosive. Because the corrosiveness of the medium is closely related to the various microorganisms contained in the soil. And if it is a long-distance pipeline, the nature of the soil environment is more complicated. In addition, the temperature of the environment where the pipeline is located will also affect the corrosion of cold drawn seamless steel pipes. If the temperature is higher, the corrosion rate will also increase, while the temperature is low, the corrosion rate will slow down.

galvanized steel pipes

2. It is corrosion failure. When the pipeline is erected, it is necessary to do a good job of anti-corrosion work or directly use anti-corrosion cold drawn seamless steel pipe. The reason for the pipeline corrosion is because the anti-corrosion layer of the pipeline is damaged. Once the anti-corrosion layer is separated from the pipe surface, it will naturally cause corrosion failure.

The above are the main reasons for the corrosiveness of galvanized steel pipes. You can avoid these reasons and find a solution to prevent the corrosiveness, so that you can get better results!