3/8 inch Sch 10S pipe dimensions & weight
3/8 inch Sch 10S pipe (DN 10) — dimensions, weight and capacity per ASME B36.19M.
| Nominal size | 3/8" (DN 10) |
| Schedule | Sch 10S |
| Outside diameter | 17.1 mm (0.673 in) |
| Wall thickness | 1.65 mm (0.065 in) |
| Inside diameter | 13.80 mm (0.543 in) |
| Weight — carbon steel | 0.63 kg/m · 0.42 lb/ft |
| Weight — SS 304 / SS 316 | 0.64 / 0.64 kg/m |
| 6 m length (CS) | 3.8 kg |
| 20 ft length (CS) | 3.8 kg |
| Flow area | 1.50 cm² |
| Water capacity | 0.150 L/m |
| Outer surface (painting) | 0.0537 m²/m |
| Approx. max. working pressure* | 208 bar (3,020 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 3/8": Sch 40 · Sch 80 · all 3/8" schedules
Frequently asked questions
What is the ID of 3/8 inch Sch 10S pipe?
13.80 mm (0.543 in), with OD 17.1 mm and wall 1.65 mm.
What is the weight of 3/8 inch Sch 10S pipe?
0.63 kg/m (0.42 lb/ft) in carbon steel; 3.8 kg per 6 m length.
What pressure can 3/8 inch Sch 10S pipe take?
Roughly 208 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