Tubing | External diameter/(mm) | thickness/ (mm) | Inner diameter/ (mm) | Grade | weight/ (N/m) | volume/ (L/m) | tensile strength/ (kN) | Coupling OD/(mm) | Buckled torque/(N∙m) | ||
minimum | best | maximum | |||||||||
89 | 88.9 | 6.5 | 76.0 | N80 | 134 | 1.67 | 708 | 107 | 2150 | 2850 | 3600 |
73UP | 73.02 | 5.5 | 62.0 | N80 | 95 | 1.17 | 645 | 93 | 2400 | 3200 | 4000 |
73 | 73.02 | 5.5 | 62.0 | J55 | 93 | 1.17 | 323 | 89 | 1100 | 1450 | 1800 |