3 inch XXS pipe dimensions & weight
3 inch XXS pipe (DN 80) — dimensions, weight and capacity per ASME B36.19M.
| Nominal size | 3" (DN 80) |
| Schedule | XXS |
| Outside diameter | 88.9 mm (3.500 in) |
| Wall thickness | 15.24 mm (0.600 in) |
| Inside diameter | 58.42 mm (2.300 in) |
| Weight — carbon steel | 27.68 kg/m · 18.60 lb/ft |
| Weight — SS 304 / SS 316 | 27.96 / 28.14 kg/m |
| 6 m length (CS) | 166.1 kg |
| 20 ft length (CS) | 168.7 kg |
| Flow area | 26.80 cm² |
| Water capacity | 2.680 L/m |
| Outer surface (painting) | 0.2793 m²/m |
| Approx. max. working pressure* | 392 bar (5,686 psi) — A312 TP316L |
*Approximate ASME B31.3 straight-pipe rating at ≤ 38 °C for seamless A312 TP316L (S = 115.0 MPa, E = 1, 12.5% mill tolerance, no corrosion allowance). Use the wall thickness calculator for your own design conditions.
Other schedules for 3": Sch 10S · Sch 40 · Sch 80 · Sch 160 · all 3" schedules
Frequently asked questions
What is the ID of 3 inch XXS pipe?
58.42 mm (2.300 in), with OD 88.9 mm and wall 15.24 mm.
What is the weight of 3 inch XXS pipe?
27.68 kg/m (18.60 lb/ft) in carbon steel; 166.1 kg per 6 m length.
What pressure can 3 inch XXS pipe take?
Roughly 392 bar at ambient for seamless A312 TP316L under ASME B31.3 with no corrosion allowance; actual rating depends on material, temperature and code.
Last updated 2026-11-02