... .D.2-3/8", 2-7/8", 3-1/2", 4-1/2" 2)length:R1,R2,R3 3)Grade: ... J55, N80, L80, C90, T95, P110 pipe tubing and couplings 1 ... O.D. ", 2-3/8", 2-7/8", 3-1/2", 4-1/2" 2) Grade: J55, N80, L80, C90, T95 ... , P110 3) Wall thickness: 4.24- 16mm 4) Length: R1,R2, ... 7/873.020.2175.519.186.1762.00NU,EU3-1/288.90.2545.5413.118.8176.10NU,EU4101. ...