EngiRef / Pipe Schedule

NPS 1/8 Schedule 40

NPS 1/8 Schedule 40 (DN 6): 10.3 mm outside diameter, 1.73 mm wall. Inside diameter 6.84 mm, internal area 36.7 mm². Mass 0.37 kg per metre.

Specification

Nominal pipe size (NPS)
1/8
Nominal diameter (DN)
6
Schedule
40
Outside diameter (mm)
10.3
Wall thickness (mm)
1.73
Inside diameter (mm)
6.84
Mass per metre (kg/m)
0.37
Internal area (mm²)
36.7

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