... External diameter: Max.508mm(20inch),Steel grade: Max X80 Meet with API 5L, API 5CT External diameter: Max.Φ508mm20inch,Steel ... -efficiency End Beveling MachineElectrical system adopts PLC controller, meet with DIN, JIS and GBERW Pipe Mill type (Only for ... Address: Chenyu Building, Centeral North Street No.3, National High-tech industrial Development Zones of Taiyuan, Shanxi Province, P.R ...