... Inspection material:X42-X80,Q235,Q345,API 5L Gr.B,A252 Gr.3 API Fluid Pipe DescriptionGradeX42-X80Outer Diameter219- ... 3600mmWall Thinkness6-30mmStandardASTM A252, ASTM A53, API 5L PSL1/PSL2WT ScheduleSCH10S,SCH20,40,80,160,XS, ... XXSProcess TechnicsSAWSurface Treatment2PE/3PE,2PP/3PP OR AS REQUIREDCertificationISO9001,API,Raw material cert,Mill cert,Reap on site inspection ...