Tag: butt welded seamless elbow

Manufacturing process of butt welded seamless elbow

The manufacturing process of butt welded seamless elbow is divided into two kinds: hot rolling (extrusion) seamless elbow and cold drawing (rolling). Cold drawing pipe is divided into two types: circular pipe and heteroid pipe. A brief introduction to welding seamless bend process is as follows: Cold drawing (rolling) : seamless elbow pipe billet and heating to […]