Diameter: Max. 4500mm,Steel grade: Max. X80,Wall thickness: Max.25.4mm For producing petroleum, gas and water transportation External Diameter: Max. Φ4500mm,Steel grade: Max. X80,Wall thickness: Max.25.4mmFor producing petroleum, gas and water transportation pipeMeet with API 5L, AWWA, ISO3183 Range of External DiameterΦ90-Φ4500mm SSAW Pipe Mill (traditional) High steel grade and Double edge ...