Piping Supply Journal

2 inch Sch 40 pipe dimensions & weight

2 inch Sch 40 pipe (DN 50) — dimensions, weight and capacity per ASME B36.10M.

Nominal size2" (DN 50)
ScheduleSch 40
Outside diameter60.3 mm (2.374 in)
Wall thickness3.91 mm (0.154 in)
Inside diameter52.48 mm (2.066 in)
Weight — carbon steel5.44 kg/m · 3.66 lb/ft
Weight — SS 304 / SS 3165.50 / 5.53 kg/m
6 m length (CS)32.6 kg
20 ft length (CS)33.2 kg
Flow area21.63 cm²
Water capacity2.163 L/m
Outer surface (painting)0.1894 m²/m
Approx. max. working pressure*164 bar (2,377 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 2": Sch 10S · Sch 80 · Sch 160 · XXS · all 2" schedules

Frequently asked questions

What is the ID of 2 inch Sch 40 pipe?

52.48 mm (2.066 in), with OD 60.3 mm and wall 3.91 mm.

What is the weight of 2 inch Sch 40 pipe?

5.44 kg/m (3.66 lb/ft) in carbon steel; 32.6 kg per 6 m length.

What pressure can 2 inch Sch 40 pipe take?

Roughly 164 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