Precision welded pipe manufacturing process
The production process of precision welded pipe has a little difference with the different production method, but the formation of welding part of the production process is basically the same, the difference only in the subsequent process. Typical production process is as follows: 1. The first production mode production process of precision welded pipe: Strip preparation → open → flat → cut head → butt welding → live storage → forming → welding → remove the burr → weld heat treatment → cooling → sizing → nondestructive testing → Flying shear cut → straighten → cut flat head → eddy current testing / water pressure test → inspection packaging → finished 2. The second production mode production process precision welded tube: Steel preparation → open roll → straightening → cutting head → butt welding → loose storage material → forming → welding → cleaning burr → weld heat treatment → cooling → sizing → nondestructive testing → flying shear cut off → preparation (drawing) ...