External diameter: Max.508mm(20inch),Steel grade: Max X80 Meet with API 5L, API 5CT External diameter: Max.Φ508mm20inch,Steel grade: Max X80Meet with API 5L, API 5CTRange of external diameter:Φ42.16-Φ508 mm1.6620FF formingHorizontal accumulatorSwing cutoff, milling cutoffPipeline finished euqipments50Mpa HydrotesterHigh-efficiency End Beveling MachineElectrical system adopts PLC controller, meet ...