Piping Supply Journal

2 inch Sch 80 pipe dimensions & weight

2 inch Sch 80 pipe (DN 50) — dimensions, weight and capacity per ASME B36.10M.

Nominal size2" (DN 50)
ScheduleSch 80
Outside diameter60.3 mm (2.374 in)
Wall thickness5.54 mm (0.218 in)
Inside diameter49.22 mm (1.938 in)
Weight — carbon steel7.48 kg/m · 5.03 lb/ft
Weight — SS 304 / SS 3167.56 / 7.60 kg/m
6 m length (CS)44.9 kg
20 ft length (CS)45.6 kg
Flow area19.03 cm²
Water capacity1.903 L/m
Outer surface (painting)0.1894 m²/m
Approx. max. working pressure*237 bar (3,437 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 40 · Sch 160 · XXS · all 2" schedules

Frequently asked questions

What is the ID of 2 inch Sch 80 pipe?

49.22 mm (1.938 in), with OD 60.3 mm and wall 5.54 mm.

What is the weight of 2 inch Sch 80 pipe?

7.48 kg/m (5.03 lb/ft) in carbon steel; 44.9 kg per 6 m length.

What pressure can 2 inch Sch 80 pipe take?

Roughly 237 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