Tag: erw pipe
ERW SCH 40 Pipe, a Powerful Assistant for Industrial Pipes
Jane What is ERW SCH 40 Pipe? ERW SCH 40 Pipe is an Electric Resistance Welded Pipe. SCH 40 stands for a specific grade of pipe wall thickness. The production process of ERW welded pipes uses the skin effect and proximity effect of high-frequency current to quickly heat and melt the edge of the tube blank,…
