... made by pipe mill units and matching rollers. Production of welded pipe:Tube mill's job is to ... the finished tubular products to the required specifications.SpecificationsFor production of steel/galvanized tube, pipe in round, square, ... tube mill/ERW tube mill lineTube Mill, Steel Pipe Production Line, Pipe Mill1. To make steel pipe O.D. ... kind of welded pipes made by pipe welding production line