SIZE
(INCH) OD
(mm) Wall Thickness
(mm) Weight(Ib/ft) Processing mode for Ends
T&C T&C Steel grade
Non-upset Eue J55 N80-1 N80-Q L80-1 P110
2 3/8 60.32 4.24 4.00 -- PNE PNE PNE PNE PNE
4.83 4.60 4.7 PNE PNE PNE PNE PNE
6.45 5.8 5.95 -- PNE PNE PNE PNE
2 7/8 73.02 5.51 6.40 6.50 PNE PNE PNE PNE PNE
7.82 8.60 8.70 -- PNE PNE PNE PNE
3 1/2 88.90 5.49 7.70 -- PNE PNE PNE PNE PNE
6.45 9.20 9.30 PNE PNE PNE PNE PNE
7.34 10.20 -- PNE PNE PNE PNE PNE
9.52 12.70 12.95 -- PNE PNE PNE PNE
4 1/2 114.30 6.88 12.60 12.75 PNE PNE PNE PNE PNE

Notes:
1.P—Plain-end; N—Non-upset, with thread and coupling; E-EU, Upset with Thread and coupling;
2.All these couplings conform with API standard.