... " 2)length:R1,R2,R3 3)Grade: J55, N80, L80, C90, T95, P110 pipe tubing and couplings 1)Size: O.D ... -1/2", 4-1/2" 2) Grade: J55, N80, L80, C90, T95, P110 3) Wall thickness: 4.24- 16mm 4) Length ... the API 5CT . ODWall thicknessMassIDEndsGradeinchmminchmmKg/mlb/ftmmNU,EUJ55,L80,N80,C90,T95P1102-3/863.020.194.836.614.4450.66NU,EU2 ...