10 inch (DN 250) pipe dimensions & weight
10 inch (DN 250) steel pipe has an outside diameter of 273.1 mm (10.752 in) in every schedule. Below: wall thickness, inside diameter, weight per metre and water capacity for each ASME B36.10M / B36.19M schedule.
| Schedule | Wall (mm) | Wall (in) | ID (mm) | CS kg/m | CS lb/ft | SS 304 kg/m | Water L/m |
|---|---|---|---|---|---|---|---|
| Sch 5S | 3.40 | 0.134 | 266.30 | 22.61 | 15.19 | 22.84 | 55.70 |
| Sch 10S | 4.19 | 0.165 | 264.72 | 27.79 | 18.67 | 28.07 | 55.04 |
| Sch 20 | 6.35 | 0.250 | 260.40 | 41.77 | 28.07 | 42.20 | 53.26 |
| Sch 30 | 7.80 | 0.307 | 257.50 | 51.03 | 34.29 | 51.55 | 52.08 |
| STD | 9.27 | 0.365 | 254.56 | 60.31 | 40.53 | 60.92 | 50.89 |
| Sch 40 | 9.27 | 0.365 | 254.56 | 60.31 | 40.53 | 60.92 | 50.89 |
| Sch 60 | 12.70 | 0.500 | 247.70 | 81.55 | 54.80 | 82.38 | 48.19 |
| XS | 12.70 | 0.500 | 247.70 | 81.55 | 54.80 | 82.38 | 48.19 |
| Sch 80 | 15.09 | 0.594 | 242.92 | 96.01 | 64.52 | 96.99 | 46.35 |
| Sch 100 | 18.26 | 0.719 | 236.58 | 114.75 | 77.11 | 115.92 | 43.96 |
| Sch 120 | 21.44 | 0.844 | 230.22 | 133.06 | 89.42 | 134.42 | 41.63 |
| Sch 140 | 25.40 | 1.000 | 222.30 | 155.15 | 104.26 | 156.73 | 38.81 |
| Sch 160 | 28.58 | 1.125 | 215.94 | 172.33 | 115.81 | 174.09 | 36.62 |
| XXS | 25.40 | 1.000 | 222.30 | 155.15 | 104.26 | 156.73 | 38.81 |
CS = carbon steel (7.85 g/cm³). SS 304 at 7.93 g/cm³; for 316 multiply CS weight by 1.017. Water capacity = internal volume per metre.
Matching 10" flanges and fittings
| Class 150 flange | OD 405 mm · thk 28.6 mm · PCD 362.0 mm · 12 × 7/8" bolts |
| Class 300 flange | OD 445 mm · thk 46.1 mm · PCD 387.4 mm · 16 × 1" bolts |
| B16.9 fittings | 90° LR 381 mm · 45° LR 159 mm · 90° SR 254 mm · tee 216 mm · reducer 178 mm · cap 127 mm |
Full tables: Class 150 · Class 300 · B16.9 fittings.
Frequently asked questions
What is the OD of 10 inch pipe?
10 inch (DN 250) pipe has an outside diameter of 273.1 mm (10.752 in), regardless of schedule.
What is the wall thickness of 10 inch Schedule 40 pipe?
9.27 mm (0.365 in), giving an inside diameter of 254.56 mm.
How much does 10 inch Schedule 40 pipe weigh?
About 60.31 kg/m (40.53 lb/ft) in carbon steel, or 361.9 kg for a 6 m length.
What is the wall thickness of 10 inch Schedule 80 pipe?
15.09 mm, with an inside diameter of 242.92 mm and weight of 96.01 kg/m.
Last updated 2026-11-02