5 inch Sch 160 pipe dimensions & weight
5 inch Sch 160 pipe (DN 125) — dimensions, weight and capacity per ASME B36.10M.
| Nominal size | 5" (DN 125) |
| Schedule | Sch 160 |
| Outside diameter | 141.3 mm (5.563 in) |
| Wall thickness | 15.88 mm (0.625 in) |
| Inside diameter | 109.54 mm (4.313 in) |
| Weight — carbon steel | 49.11 kg/m · 33.00 lb/ft |
| Weight — SS 304 / SS 316 | 49.61 / 49.92 kg/m |
| 6 m length (CS) | 294.7 kg |
| 20 ft length (CS) | 299.4 kg |
| Flow area | 94.24 cm² |
| Water capacity | 9.424 L/m |
| Outer surface (painting) | 0.4439 m²/m |
| Approx. max. working pressure* | 294 bar (4,269 psi) — A106 Gr B |
*Approximate ASME B31.3 straight-pipe rating at ≤ 38 °C for seamless A106 Gr B (S = 137.9 MPa, E = 1, 12.5% mill tolerance, no corrosion allowance). Use the wall thickness calculator for your own design conditions.
Other schedules for 5": Sch 10S · Sch 40 · Sch 80 · XXS · all 5" schedules
Frequently asked questions
What is the ID of 5 inch Sch 160 pipe?
109.54 mm (4.313 in), with OD 141.3 mm and wall 15.88 mm.
What is the weight of 5 inch Sch 160 pipe?
49.11 kg/m (33.00 lb/ft) in carbon steel; 294.7 kg per 6 m length.
What pressure can 5 inch Sch 160 pipe take?
Roughly 294 bar at ambient for seamless A106 Gr B under ASME B31.3 with no corrosion allowance; actual rating depends on material, temperature and code.
Last updated 2026-11-02