Stainless Steel NB Pipe Dimensions
Dimensional Chart for Nominal Bore Pipe in both Inches and millimetres.
Dimensions shown are in mm, if you wish to convert to Inches, please use our universal converter.
STAINLESS STEEL NOMINAL BORE PIPE DIMENSIONS
| Nominal Pipe Size Inches | Nominal Pipe Size mm | OD Inches | OD mm | Schedule Designations ANSI/ASME | Wall Thickness Inches | Wall Thickness mm | Lbs/Ft | Kg/M |
|---|---|---|---|---|---|---|---|---|
| 1/8 | 6 | 0.405 | 10.3 | 10/10S | 0.049 | 1.24 | 0.1863 | 0.28 |
| 1/8 | 6 | 0.405 | 10.3 | STD/40/40S | 0.068 | 1.73 | 0.2447 | 0.36 |
| 1/8 | 6 | 0.405 | 10.3 | XS/80/80S | 0.095 | 2.41 | 0.3145 | 0.47 |
| 1/4 | 8 | 0.54 | 13.7 | 10/10S | 0.065 | 1.65 | 0.3297 | 0.49 |
| 1/4 | 8 | 0.54 | 13.7 | STD/40/40S | 0.088 | 2.24 | 0.4248 | 0.63 |
| 1/4 | 8 | 0.54 | 13.7 | XS/80/80S | 0.119 | 3.02 | 0.5351 | 0.8 |
| 3/8 | 10 | 0.675 | 17.1 | 10/10S | 0.065 | 1.65 | 0.4235 | 0.63 |
| 3/8 | 10 | 0.675 | 17.1 | STD 40/40S | 0.091 | 2.31 | 0.5676 | 0.84 |
| 3/8 | 10 | 0.675 | 17.1 | XS 80/80S | 0.126 | 3.2 | 0.7388 | 1.1 |
| 1/2 | 15 | 0.84 | 21.3 | 5/5S | 0.065 | 1.65 | 0.5383 | 0.8 |
| 1/2 | 15 | 0.84 | 21.3 | 10/10S | 0.083 | 2.11 | 0.671 | 1 |
| 1/2 | 15 | 0.84 | 21.3 | STD 40/40S | 0.109 | 2.77 | 0.851 | 1.27 |
| 1/2 | 15 | 0.84 | 21.3 | XS 80/80S | 0.147 | 3.73 | 1.088 | 1.62 |
| 1/2 | 15 | 0.84 | 21.3 | 160 | 0.188 | 4.78 | 1.309 | 1.95 |
| 1/2 | 15 | 0.84 | 21.3 | XX | 0.294 | 7.47 | 1.714 | 2.55 |
| 3/4 | 20 | 1.05 | 26.7 | 5/5S | 0.065 | 1.65 | 0.6838 | 1.02 |
| 3/4 | 20 | 1.05 | 26.7 | 10/10S | 0.083 | 2.11 | 0.8572 | 1.28 |
| 3/4 | 20 | 1.05 | 26.7 | STD/40/40S | 0.113 | 2.87 | 1.131 | 1.68 |
| 3/4 | 20 | 1.05 | 26.7 | XS/80/80S | 0.154 | 3.91 | 1.474 | 2.19 |
| 3/4 | 20 | 1.05 | 26.7 | 160 | 0.219 | 5.56 | 1.944 | 2.89 |
| 3/4 | 20 | 1.05 | 26.7 | XX | 0.308 | 7.82 | 2.441 | 3.63 |
| 1 | 25 | 1.315 | 33.4 | 5/5S | 0.065 | 1.65 | 0.8678 | 1.29 |
| 1 | 25 | 1.315 | 33.4 | 10/10S | 0.109 | 2.77 | 1.404 | 2.09 |
| 1 | 25 | 1.315 | 33.4 | STD/40/40S | 0.133 | 3.38 | 1.679 | 2.5 |
| 1 | 25 | 1.315 | 33.4 | XS/80/80S | 0.179 | 4.55 | 2.172 | 3.23 |
| 1 | 25 | 1.315 | 33.4 | 160 | 0.25 | 6.35 | 2.844 | 4.23 |
| 1 | 25 | 1.315 | 33.4 | XX | 0.358 | 9.09 | 3.659 | 5.45 |
| 1 1/4 | 32 | 1.66 | 42.2 | 5/5S | 0.065 | 1.65 | 1.107 | 1.65 |
| 1 1/4 | 32 | 1.66 | 42.2 | 10/10S | 0.109 | 2.77 | 1.806 | 2.69 |
| 1 1/4 | 32 | 1.66 | 42.2 | STD/40/40S | 0.14 | 3.56 | 2.273 | 3.38 |
| 1 1/4 | 32 | 1.66 | 42.2 | XS/80/80S | 0.191 | 4.85 | 2.997 | 4.46 |
| 1 1/4 | 32 | 1.66 | 42.2 | 160 | 0.25 | 6.35 | 3.765 | 5.6 |
| 1 1/4 | 32 | 1.66 | 42.2 | XX | 0.382 | 9.7 | 5.214 | 7.76 |
| 1 1/2 | 40 | 1.9 | 48.3 | 5/5S | 0.065 | 1.65 | 1.274 | 1.9 |
| 1 1/2 | 40 | 1.9 | 48.3 | 10/10S | 0.109 | 2.77 | 2.085 | 3.1 |
| 1 1/2 | 40 | 1.9 | 48.3 | STD/40/40S | 0.145 | 3.68 | 2.718 | 4.05 |
| 1 1/2 | 40 | 1.9 | 48.3 | XS/80/80S | 0.2 | 5.08 | 3.631 | 5.4 |
| 1 1/2 | 40 | 1.9 | 48.3 | 160 | 0.281 | 7.14 | 4.859 | 7.23 |
| 1 1/2 | 40 | 1.9 | 48.3 | XX | 0.4 | 10.16 | 6.408 | 9.54 |
| 2 | 50 | 2.375 | 60.3 | 5/5S | 0.065 | 1.65 | 1.604 | 2.39 |
| 2 | 50 | 2.375 | 60.3 | 10/10S | 0.109 | 2.77 | 2.638 | 3.93 |
| 2 | 50 | 2.375 | 60.3 | STD/40/40S | 0.154 | 3.91 | 3.653 | 5.44 |
| 2 | 50 | 2.375 | 60.3 | XS/80/80S | 0.218 | 5.54 | 5.022 | 7.47 |
| 2 | 50 | 2.375 | 60.3 | 160 | 0.344 | 8.74 | 7.462 | 11.11 |
| 2 | 50 | 2.375 | 60.3 | XX | 0.436 | 11.07 | 9.029 | 13.44 |
| 2 1/2 | 65 | 2.875 | 73 | 5/5S | 0.083 | 2.11 | 2.475 | 3.68 |
| 2 1/2 | 65 | 2.875 | 73 | 10/10S | 0.12 | 3.05 | 3.531 | 5.26 |
| 2 1/2 | 65 | 2.875 | 73 | STD/40/40S | 0.203 | 5.16 | 5.793 | 8.62 |
| 2 1/2 | 65 | 2.875 | 73 | XS/80/80S | 0.276 | 7.01 | 7.661 | 11.4 |
| 2 1/2 | 65 | 2.875 | 73 | 160 | 0.375 | 9.53 | 10.01 | 14.9 |
| 2 1/2 | 65 | 2.875 | 73 | XX | 0.552 | 14.02 | 13.69 | 20.37 |
| 3 | 80 | 3.5 | 88.9 | 5/5S | 0.083 | 2.11 | 3.029 | 4.51 |
| 3 | 80 | 3.5 | 88.9 | 10/10S | 0.12 | 3.05 | 4.332 | 6.45 |
| 3 | 80 | 3.5 | 88.9 | STD/40/40S | 0.216 | 5.49 | 7.576 | 11.27 |
| 3 | 80 | 3.5 | 88.9 | XS/80/80S | 0.3 | 7.62 | 10.25 | 15.25 |
| 3 | 80 | 3.5 | 88.9 | 160 | 0.438 | 11.13 | 14.32 | 21.31 |
| 3 | 80 | 3.5 | 88.9 | XX | 0.6 | 15.24 | 18.58 | 27.65 |
| 3 1/2 | 90 | 4 | 101.6 | 5/5S | 0.083 | 2.11 | 3.472 | 5.17 |
| 3 1/2 | 90 | 4 | 101.6 | 10/10S | 0.12 | 3.05 | 4.973 | 7.4 |
| 3 1/2 | 90 | 4 | 101.6 | STD 40/40S | 0.226 | 5.74 | 9.109 | 13.56 |
| 3 1/2 | 90 | 4 | 101.6 | XS 80/80S | 0.318 | 8.08 | 12.5 | 18.6 |
| 3 1/2 | 90 | 4 | 101.6 | XX | 0.636 | 16.15 | 22.85 | 34.01 |
| 4 | 100 | 4.5 | 114.3 | 5/5S | 0.083 | 2.11 | 3.915 | 5.83 |
| 4 | 100 | 4.5 | 114.3 | 10/10S | 0.12 | 3.05 | 5.613 | 8.35 |
| 4 | 100 | 4.5 | 114.3 | STD 40/40S | 0.237 | 6.02 | 10.79 | 16.06 |
| 4 | 100 | 4.5 | 114.3 | XS 80/80S | 0.337 | 8.56 | 14.98 | 22.29 |
| 4 | 100 | 4.5 | 114.3 | 120 | 0.438 | 11.13 | 19 | 28.28 |
| 4 | 100 | 4.5 | 114.3 | 160 | 0.531 | 13.49 | 22.51 | 33.5 |
| 4 | 100 | 4.5 | 114.3 | XX | 0.674 | 17.12 | 27.54 | 40.99 |
| 5 | 125 | 5.563 | 141.3 | 5/5S | 0.109 | 2.77 | 6.349 | 9.45 |
| 5 | 125 | 5.563 | 141.3 | 10/10S | 0.134 | 3.4 | 7.77 | 11.56 |
| 5 | 125 | 5.563 | 141.3 | STD 40/40S | 0.258 | 6.55 | 14.62 | 21.76 |
| 5 | 125 | 5.563 | 141.3 | XS 80/80S | 0.375 | 9.53 | 20.78 | 30.93 |
| 5 | 125 | 5.563 | 141.3 | 120 | 0.5 | 12.7 | 27.04 | 40.24 |
| 5 | 125 | 5.563 | 141.3 | 160 | 0.625 | 15.88 | 32.96 | 49.05 |
| 5 | 125 | 5.563 | 141.3 | XX | 0.75 | 19.05 | 38.55 | 57.37 |
| 6 | 150 | 6.625 | 168.3 | 5/5S | 0.109 | 2.77 | 7.585 | 11.29 |
| 6 | 150 | 6.625 | 168.3 | 10/10S | 0.134 | 3.4 | 9.289 | 13.82 |
| 6 | 150 | 6.625 | 168.3 | 120 | 0.562 | 14.27 | 36.39 | 54.16 |
| 6 | 150 | 6.625 | 168.3 | 160 | 0.719 | 18.26 | 45.35 | 67.49 |
| 8 | 200 | 8.625 | 219.1 | 10/10S | 0.148 | 3.76 | 13.6 | 19.94 |
| 8 | 200 | 8.625 | 219.1 | 20 | 0.25 | 6.35 | 22.36 | 33.28 |
| 8 | 200 | 8.625 | 219.1 | 30 | 0.277 | 7.04 | 24.7 | 36.76 |
| 8 | 200 | 8.625 | 219.1 | STD/40/40S | 0.322 | 8.18 | 28.55 | 42.49 |
| 8 | 200 | 8.625 | 219.1 | 60 | 0.406 | 10.31 | 35.64 | 53.04 |
| 8 | 200 | 8.625 | 219.1 | XS/80/80S | 0.5 | 12.7 | 43.39 | 64.58 |
| 8 | 200 | 8.625 | 219.1 | 100 | 0.594 | 15.09 | 50.95 | 75.83 |
| 8 | 200 | 8.625 | 219.1 | 120 | 0.719 | 18.26 | 60.71 | 90.35 |
| 8 | 200 | 8.625 | 219.1 | 140 | 0.812 | 20.62 | 67.76 | 100.84 |
| 8 | 200 | 8.625 | 219.1 | XX | 0.875 | 22.23 | 72.42 | 107.78 |
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