... " 2) Steel Grade: E75, X95, G105, S135 3) All drill pipe are made according to API 1) OD: 2 7/8 ... E75, X95, G105, S1353) Type of end finish: EU-external upset, IEU-internal & external upset4) All drill pipe are made according to API ... GradeLengthInternal Coating Material The Main Technical Specification of Drill Pipe O.D.Steel GradeWall ThicknessUpset EndTool Joint Designationinchmminchmm2 3/860.3E.X.G. ...