What are the causes of rust and corrosion in spiral welded steel pipes

Spiral welded steel pipes are often stored outdoors and, in use, mostly buried underground, making them highly susceptible to corrosion and rust. To ensure uninterrupted operation, manufacturers require spiral welded steel pipes with strong corrosion resistance. Once corroded, oil and gas leaks can occur, disrupting transportation, polluting the environment, and potentially causing fires and other hazards. Factors causing rust and corrosion in spiral welded steel pipes include:

1. External conditions: The characteristics and temperature of the surrounding medium, as well as its corrosiveness, are crucial factors. The corrosiveness of the medium is closely related to the microorganisms present in the soil. For long-distance spiral welded steel pipes, the soil environment is even more complex. Temperature also affects corrosion; higher temperatures accelerate corrosion, while lower temperatures slow it down.

2. Failure of anti-corrosion measures: The anti-corrosion measures of the spiral welded steel pipe may also contribute to corrosion. When installing spiral welded steel pipes, it is essential to perform anti-corrosion measures or use anti-corrosion spiral welded steel pipes directly. Corrosion of spiral welded steel pipes occurs because the anti-corrosion layer is damaged. Once the anti-corrosion layer separates from the surface of the spiral welded steel pipe, anti-corrosion failure will naturally occur. This is why we should choose anti-corrosion spiral welded steel pipe manufacturers when purchasing them.