What is the typical purpose of cathodic protection systems?

The primary purpose of cathodic protection systems is to reduce corrosion on metal surfaces, particularly in pipelines and other infrastructure that are exposed to corrosive environments. This protection system works by utilizing electrochemical methods to prevent the oxidation of the metal surfaces, which is a key process in corrosion.

In cathodic protection, a sacrificial anode or an impressed current is used to create a flow of electrons that counteracts the corrosive electrochemical processes occurring on the pipeline. By effectively redirecting the electrochemical reactions away from the metal surface, cathodic protection significantly extends the lifespan of pipelines and minimizes maintenance costs related to corrosion damage.

Enhancing pipe strength or improving welding speed do not directly relate to the corrosion control mechanisms provided by cathodic protection. Additionally, while electrical conductivity is important in many applications, it is not the primary focus or outcome of implementing cathodic protection systems.