Piping Supply Journal

5 inch XXS pipe dimensions & weight

5 inch XXS pipe (DN 125) — dimensions, weight and capacity per ASME B36.19M.

Nominal size5" (DN 125)
ScheduleXXS
Outside diameter141.3 mm (5.563 in)
Wall thickness19.05 mm (0.750 in)
Inside diameter103.20 mm (4.063 in)
Weight — carbon steel57.43 kg/m · 38.59 lb/ft
Weight — SS 304 / SS 31658.02 / 58.38 kg/m
6 m length (CS)344.6 kg
20 ft length (CS)350.1 kg
Flow area83.65 cm²
Water capacity8.365 L/m
Outer surface (painting)0.4439 m²/m
Approx. max. working pressure*300 bar (4,345 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 5": Sch 10S · Sch 40 · Sch 80 · Sch 160 · all 5" schedules

Frequently asked questions

What is the ID of 5 inch XXS pipe?

103.20 mm (4.063 in), with OD 141.3 mm and wall 19.05 mm.

What is the weight of 5 inch XXS pipe?

57.43 kg/m (38.59 lb/ft) in carbon steel; 344.6 kg per 6 m length.

What pressure can 5 inch XXS pipe take?

Roughly 300 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