| Nominal size | OD (in) | OD (mm) | Wall (in) | Wall (mm) | Weight (lb/ft) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| 1/2" NPS15 | 0.84 | 21.3 | 0.188 | 4.78 | 1.31 | 1.95 |
| 3/4" NPS20 | 1.05 | 26.7 | 0.219 | 5.56 | 1.94 | 2.9 |
| 1" NPS25 | 1.32 | 33.4 | 0.25 | 6.35 | 2.84 | 4.24 |
| 1 1/4" NPS32 | 1.66 | 42.2 | 0.25 | 6.35 | 3.76 | 5.61 |
| 1 1/2" NPS40 | 1.9 | 48.3 | 0.281 | 7.14 | 4.86 | 7.25 |
| 2" NPS50 | 2.375 | 60.3 | 0.344 | 8.74 | 7.46 | 11.11 |
| 2 1/2" NPS65 | 2.875 | 73.0 | 0.375 | 9.53 | 10.01 | 14.92 |
| 3" NPS80 | 3.5 | 88.9 | 0.438 | 11.13 | 14.32 | 21.35 |
| 4" NPS100 | 4.5 | 114.3 | 0.531 | 13.49 | 22.51 | 33.54 |
| 5" NPS125 | 5.563 | 141.3 | 0.625 | 15.88 | 32.96 | 49.11 |
| 6" NPS150 | 6.625 | 168.3 | 0.719 | 18.26 | 45.35 | 67.56 |
| 8" NPS200 | 8.625 | 219.1 | 0.906 | 23.01 | 74.69 | 111.27 |
| 10" NPS250 | 10.75 | 273.0 | 1.125 | 28.58 | 115.64 | 172.33 |
| 12" NPS300 | 12.75 | 323.8 | 1.312 | 33.32 | 160.27 | 238.76 |
| 14" NPS350 | 14.0 | 355.6 | 1.406 | 35.71 | 189.11 | 281.7 |
| 16" NPS400 | 16.0 | 406.4 | 1.594 | 40.49 | 245.25 | 365.35 |
| 18" NPS450 | 18.0 | 457.0 | 1.781 | 45.24 | 308.5 | 459.37 |
| 20" NPS500 | 20.0 | 508.0 | 1.969 | 50.01 | 379.17 | 564.81 |
| 22" NPS550 | 22.0 | 559.0 | 2.125 | 53.98 | 451.06 | 672.26 |
| 24" NPS600 | 24.0 | 610.0 | 2.344 | 59.54 | 542.13 | 808.22 |