How to calculate the area of anti-corrosion spiral seam welded steel pipes? Click on the avatar to enter the homepage for consultation. Firstly, we need to know the definition and classification of anti-corrosion spiral seam welded steel pipes. Anti corrosion spiral seam welded steel pipe refers to a steel pipe that is coated with an anti-corrosion layer or other materials on the surface of the steel pipe to achieve anti-corrosion effect. Common anti-corrosion methods include epoxy resin anti-corrosion, polyurethane foam anti-corrosion, winding anti-corrosion, etc.