6 inch XXS pipe dimensions & weight
6 inch XXS pipe (DN 150) — dimensions, weight and capacity per ASME B36.19M.
| Nominal size | 6" (DN 150) |
| Schedule | XXS |
| Outside diameter | 168.3 mm (6.626 in) |
| Wall thickness | 21.95 mm (0.864 in) |
| Inside diameter | 124.40 mm (4.898 in) |
| Weight — carbon steel | 79.22 kg/m · 53.24 lb/ft |
| Weight — SS 304 / SS 316 | 80.03 / 80.53 kg/m |
| 6 m length (CS) | 475.3 kg |
| 20 ft length (CS) | 482.9 kg |
| Flow area | 121.54 cm² |
| Water capacity | 12.154 L/m |
| Outer surface (painting) | 0.5287 m²/m |
| Approx. max. working pressure* | 289 bar (4,189 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 6": Sch 10S · Sch 40 · Sch 80 · Sch 160 · all 6" schedules
Frequently asked questions
What is the ID of 6 inch XXS pipe?
124.40 mm (4.898 in), with OD 168.3 mm and wall 21.95 mm.
What is the weight of 6 inch XXS pipe?
79.22 kg/m (53.24 lb/ft) in carbon steel; 475.3 kg per 6 m length.
What pressure can 6 inch XXS pipe take?
Roughly 289 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