Piping Supply Journal

4 inch XXS pipe dimensions & weight

4 inch XXS pipe (DN 100) — dimensions, weight and capacity per ASME B36.19M.

Nominal size4" (DN 100)
ScheduleXXS
Outside diameter114.3 mm (4.500 in)
Wall thickness17.12 mm (0.674 in)
Inside diameter80.06 mm (3.152 in)
Weight — carbon steel41.03 kg/m · 27.57 lb/ft
Weight — SS 304 / SS 31641.45 / 41.71 kg/m
6 m length (CS)246.2 kg
20 ft length (CS)250.1 kg
Flow area50.34 cm²
Water capacity5.034 L/m
Outer surface (painting)0.3591 m²/m
Approx. max. working pressure*337 bar (4,884 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 4": Sch 10S · Sch 40 · Sch 80 · Sch 160 · all 4" schedules

Frequently asked questions

What is the ID of 4 inch XXS pipe?

80.06 mm (3.152 in), with OD 114.3 mm and wall 17.12 mm.

What is the weight of 4 inch XXS pipe?

41.03 kg/m (27.57 lb/ft) in carbon steel; 246.2 kg per 6 m length.

What pressure can 4 inch XXS pipe take?

Roughly 337 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