1/8 inch Sch 10S pipe dimensions & weight
1/8 inch Sch 10S pipe (DN 6) — dimensions, weight and capacity per ASME B36.19M.
| Nominal size | 1/8" (DN 6) |
| Schedule | Sch 10S |
| Outside diameter | 10.3 mm (0.406 in) |
| Wall thickness | 1.24 mm (0.049 in) |
| Inside diameter | 7.82 mm (0.308 in) |
| Weight — carbon steel | 0.28 kg/m · 0.19 lb/ft |
| Weight — SS 304 / SS 316 | 0.28 / 0.28 kg/m |
| 6 m length (CS) | 1.7 kg |
| 20 ft length (CS) | 1.7 kg |
| Flow area | 0.48 cm² |
| Water capacity | 0.048 L/m |
| Outer surface (painting) | 0.0324 m²/m |
| Approx. max. working pressure* | 265 bar (3,837 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 1/8": Sch 40 · Sch 80 · all 1/8" schedules
Frequently asked questions
What is the ID of 1/8 inch Sch 10S pipe?
7.82 mm (0.308 in), with OD 10.3 mm and wall 1.24 mm.
What is the weight of 1/8 inch Sch 10S pipe?
0.28 kg/m (0.19 lb/ft) in carbon steel; 1.7 kg per 6 m length.
What pressure can 1/8 inch Sch 10S pipe take?
Roughly 265 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