Structure and characteristics of thermal insulation large-diameter spiral welded pipe1. Features of heat preservation large-diameter spiral welded pipe:Polyurethane foam has good mechanical properties and thermal insulation properties. Under normal circumstances, it can withstand a temperature of 12

The difference between straight seam welded pipe and spiral welded pipeThere have always been many customers asking about the difference between straight seam welded pipe and spiral welded pipe, just because of the difference in the shape of the weld, is there a difference in use and various process

Epoxy anticorrosive steel pipe1. Composition: steel pipe + coatingA. Steel pipes: seamless steel pipes, straight seam steel pipes, spiral steel pipes, and other steel pipesB. Epoxy resin paint: a two-component, high-solid paint with epoxy resin as the main agent. It is divided into primer and topcoa

Common methods for 3PE anticorrosive steel pipe anti-corrosion:1. Pipeline anticorrosion generally uses two main methods commonly used: outer coating and cathodic protection.2. Although most of the surface of the pipeline is covered by the coating, an incredible corrosion rate will occur if there is