... carbon steel pipes.SpecificationsFor production of steel/galvanized tube, pipe in round, square, oval, rectangle. FOR tube mill line/pipe machine/pipe ... frequency tube mill/ERW tube mill lineTube Mill, Steel Pipe Production Line, Pipe Mill1. To make steel pipe O.D. from ... of pipe forming roll/mould:ISO quality mould for tube mill; for High Frequency Steel Pipe Mill Yangzhou Hengchang Machine ...