1/2 inch Sch 10S pipe dimensions & weight
1/2 inch Sch 10S pipe (DN 15) — dimensions, weight and capacity per ASME B36.19M.
| Nominal size | 1/2" (DN 15) |
| Schedule | Sch 10S |
| Outside diameter | 21.3 mm (0.839 in) |
| Wall thickness | 2.11 mm (0.083 in) |
| Inside diameter | 17.08 mm (0.672 in) |
| Weight — carbon steel | 1.00 kg/m · 0.67 lb/ft |
| Weight — SS 304 / SS 316 | 1.01 / 1.02 kg/m |
| 6 m length (CS) | 6.0 kg |
| 20 ft length (CS) | 6.1 kg |
| Flow area | 2.29 cm² |
| Water capacity | 0.229 L/m |
| Outer surface (painting) | 0.0669 m²/m |
| Approx. max. working pressure* | 214 bar (3,107 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 1/2": Sch 40 · Sch 80 · Sch 160 · XXS · all 1/2" schedules
Frequently asked questions
What is the ID of 1/2 inch Sch 10S pipe?
17.08 mm (0.672 in), with OD 21.3 mm and wall 2.11 mm.
What is the weight of 1/2 inch Sch 10S pipe?
1.00 kg/m (0.67 lb/ft) in carbon steel; 6.0 kg per 6 m length.
What pressure can 1/2 inch Sch 10S pipe take?
Roughly 214 bar at ambient for seamless A312 TP316L under ASME B31.3 with no corrosion allowance; actual rating depends on material, temperature and code.
By Piping Supply Journal Editorial Team · Published · Last updated