... steel E.X.G.S) OD :2 3/8,2 7/8,3 1/2,4,4 1/2,5(inch) UPSET: IU,EU ... drill pipes:drilling pipeSpecification: O.D 2 3/8, 3 1/2, 4, 4 1/2, 5, 5 1/2,6 5/8Steel Grade: E75 ... 100XT, 200XT, &300XT, BOTN3000, ARMACORMApplication: using for oil well drillingO.D.GradeWall ThicknessUpset Ends,For welded-on Tool JointsTool JointDesignation Should ...