... API, ISO (alloy steel E.X.G.S) OD :2 3/8,2 7/8,3 1/2,4,5 We can supply ... heating and quenching, and our tempering machine’s advanced heat treatment process ensure the pipe’s mechanical characteristics. The tube hydraulic straightening ... , ISO standerd (alloy steel E.X.G.S)OD :2 3/8,2 7/8,3 1/2,4,4 1/2,5 ... (inch)UPSET: IU,EU, IEUDrill Pipe (E.X.G.S ...