| Nominal size | OD (in) | OD (mm) | Wall (in) | Wall (mm) | Weight (lb/ft) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| 1/8" NPS6 | 0.41 | 10.3 | 0.068 | 1.73 | 0.24 | 0.37 |
| 1/4" NPS8 | 0.54 | 13.7 | 0.088 | 2.24 | 0.42 | 0.63 |
| 3/8" NPS10 | 0.68 | 17.1 | 0.091 | 2.31 | 0.57 | 0.84 |
| 1/2" NPS15 | 0.84 | 21.3 | 0.109 | 2.77 | 0.85 | 1.27 |
| 3/4" NPS20 | 1.05 | 26.7 | 0.113 | 2.87 | 1.13 | 1.69 |
| 1" NPS25 | 1.32 | 33.4 | 0.133 | 3.38 | 1.68 | 2.5 |
| 1 1/4" NPS32 | 1.66 | 42.2 | 0.14 | 3.56 | 2.27 | 3.39 |
| 1 1/2" NPS40 | 1.9 | 48.3 | 0.145 | 3.68 | 2.72 | 4.05 |
| 2" NPS50 | 2.375 | 60.3 | 0.154 | 3.91 | 3.65 | 5.44 |
| 2 1/2" NPS65 | 2.875 | 73.0 | 0.203 | 5.16 | 5.79 | 8.63 |
| 3" NPS80 | 3.5 | 88.9 | 0.216 | 5.49 | 7.58 | 11.29 |
| 3 1/2" NPS90 | 4.0 | 101.6 | 0.226 | 5.74 | 9.11 | 13.57 |
| 4" NPS100 | 4.5 | 114.3 | 0.237 | 6.02 | 10.79 | 16.07 |
| 5" NPS125 | 5.563 | 141.3 | 0.258 | 6.55 | 14.62 | 21.77 |
| 6" NPS150 | 6.625 | 168.3 | 0.28 | 7.11 | 18.97 | 28.26 |
| 8" NPS200 | 8.625 | 219.1 | 0.322 | 8.18 | 28.55 | 42.55 |
| 10" NPS250 | 10.75 | 273.0 | 0.365 | 9.27 | 40.48 | 60.31 |
| 12" NPS300 | 12.75 | 323.8 | 0.406 | 10.31 | 53.52 | 79.73 |
| 14" NPS350 | 14.0 | 355.6 | 0.437 | 11.13 | 54.57 | 94.55 |
| 16" NPS400 | 16.0 | 406.4 | 0.5 | 12.7 | 82.77 | 123.3 |
| 18" NPS450 | 18.0 | 457.0 | 0.562 | 14.27 | 104.67 | 155.8 |
| 20" NPS500 | 20.0 | 508.0 | 0.594 | 15.09 | 123.11 | 183.42 |
| 24" NPS600 | 24.0 | 610.0 | 0.688 | 17.48 | 171.29 | 255.41 |
| 32" NPS800 | 32.0 | 813.0 | 0.688 | 17.48 | 230.08 | 342.91 |