Classification of anti-corrosion steel pipes

Anti-corrosion steel pipes are divided into two categories: outer wall anti-corrosion and inner wall anti-corrosion steel pipe： Outer wall anticorrosion classification 1. 3PE anti-corrosion. The three-layer PE anticorrosion of the pipeline refers to the integration of the first layer of epoxy powder, the second layer of adhesive, and the third layer of polyethylene into one body, and is firmly…