| Metric Size (mm) | Imperial Size (inch) | SAE Dash Size | I.D. Min (mm) | I.D. Max (mm) | W.D. Min (mm) | W.D. Max (mm) | O.D. Max (mm) | W.P. (Mpa) | W.P. (Psi) | P.P. (Mpa) | P.P. (Psi) | B.P. (Mpa) | B.P. (Psi) | Min. Bend Radius (mm) | W.T. (kg/m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 1/4 | -4 | 6.4 | 6.9 | 10.6 | 11.7 | 14.2 | 40 | 5800 | 80 | 11600 | 160 | 23200 | 75 | 0.30 |
| 8 | 5/16 | -5 | 7.9 | 8.5 | 12.1 | 13.3 | 16.0 | 35 | 5075 | 70 | 10150 | 140 | 20300 | 85 | 0.34 |
| 10 | 3/8 | -6 | 9.5 | 10.1 | 14.4 | 15.6 | 18.3 | 33 | 4785 | 66 | 9570 | 132 | 19140 | 90 | 0.42 |
| 12 | 1/2 | -8 | 12.7 | 13.5 | 19.1 | 21.5 | 27.5 | 27.5 | 3990 | 55 | 7975 | 110 | 15960 | 130 | 0.54 |
| 16 | 5/8 | -10 | 15.8 | 16.7 | 20.5 | 22.3 | 24.7 | 25 | 3625 | 50 | 7250 | 100 | 14500 | 170 | 0.68 |
| 19 | 3/4 | -12 | 18.8 | 19.8 | 24.6 | 26.4 | 28.6 | 21.5 | 3120 | 43 | 6235 | 86 | 12470 | 200 | 0.80 |
| 25 | 1 | -16 | 25.4 | 26.4 | 32.5 | 34.3 | 36.6 | 16.5 | 2390 | 33 | 4785 | 66 | 9560 | 250 | 1.15 |