Spiral steel pipes are mainly used in water supply projects, the petrochemical industry, the chemical industry, the power industry, agricultural irrigation, and urban construction. Spiral steel pipes are one of the twenty key products developed in my country.Spiral steel pipes are used for liquid tr

The most common connection method for large-diameter spiral steel pipes is welding. However, threaded connections, flange connections, socket connections, and grooved connections are also frequently used in some projects.First, Welding and Flange Connections for Large-Diameter Spiral Steel Pipes.Wel

Plastic-coated steel pipes, also known as plastic-coated pipes, steel-plastic composite pipes, or plastic-coated composite steel pipes, are steel-plastic composite pipes with a steel pipe base. A layer of plastic anti-corrosion coating is fused to the inner surface of the steel pipe (base pipe) or t

First, Common Methods for 3PE Anti-corrosion Steel Pipes1. Steel pipe corrosion protection generally employs two main methods: external coating and cathodic protection.2. Although most of the steel pipe's surface is covered by the coating, even a small leak can lead to an incredible corrosion rate,