EngiRef / Pipe Schedule

NPS 10 Schedule 40

NPS 10 Schedule 40 (DN 250): 273 mm outside diameter, 9.27 mm wall. Inside diameter 254.46 mm, internal area 50845 mm². Mass 60.31 kg per metre.

Specification

Nominal pipe size (NPS)
10
Nominal diameter (DN)
250
Schedule
40
Outside diameter (mm)
273
Wall thickness (mm)
9.27
Inside diameter (mm)
254.46
Mass per metre (kg/m)
60.31
Internal area (mm²)
50845

Outside diameters follow ASME B36.10M; inside diameter is OD − 2 × wall thickness.