ERW Casing Pipe Manufacturers and Suppliers in China

ERW Casing Supplier

• www.erwcasingpipe.com 

• China major ERW casing pipe manufacturers and suppliers,visit our website to  inquiry on ERW casing pipe  price list.ERW casing pipe for sale

• What is ERW Pipe Manufacturing Process?
  ERW pipe belongs to welded steel pipes, they have simple production process, high production efficiency, many varieties and specifications, and less equipment, but their general strength is lower than seamless steel pipes. Straight seam high frequency welded pipe (ERW) is formed by forming a hot-rolled coil through a forming machine. The skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the pipe blank. Pressure welding is carried out under the action of a squeeze roller. Realize production.
  

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