Piping Supply Journal

14 inch Sch 10S pipe dimensions & weight

14 inch Sch 10S pipe (DN 350) — dimensions, weight and capacity per ASME B36.19M.

Nominal size14" (DN 350)
ScheduleSch 10S
Outside diameter355.6 mm (14.000 in)
Wall thickness4.78 mm (0.188 in)
Inside diameter346.04 mm (13.624 in)
Weight — carbon steel41.35 kg/m · 27.79 lb/ft
Weight — SS 304 / SS 31641.77 / 42.03 kg/m
6 m length (CS)248.1 kg
20 ft length (CS)252.1 kg
Flow area940.46 cm²
Water capacity94.046 L/m
Outer surface (painting)1.1171 m²/m
Approx. max. working pressure*27 bar (396 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 14": Sch 40 · Sch 80 · Sch 160 · all 14" schedules

Frequently asked questions

What is the ID of 14 inch Sch 10S pipe?

346.04 mm (13.624 in), with OD 355.6 mm and wall 4.78 mm.

What is the weight of 14 inch Sch 10S pipe?

41.35 kg/m (27.79 lb/ft) in carbon steel; 248.1 kg per 6 m length.

What pressure can 14 inch Sch 10S pipe take?

Roughly 27 bar at ambient for seamless A312 TP316L under ASME B31.3 with no corrosion allowance; actual rating depends on material, temperature and code.

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