... ERW Pipe Production Line/ERW Pipe Mill/ERW Pipe Making MachineExternal diameter: Max.Φ508mm(20inch)Steel grade: Max X80Steel ... (Turkey head), Cut off unit.Finished euqipments: Hydrotester, High-efficiency End Beveller and conveyorsOptions: Marking unit, Flating test ... Address: Chenyu Building, Central North Street No.3, National High-tech industrial Development Zones of Taiyuan, Shanxi Province, P ...