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Pressure Loss Steel Pipes

Reference data and engineering information about pressure loss steel pipes for fluid mechanics applications.

pressurelosssteelpipes

Overview

Pressure loss per 100 m of straight steel pipe for water flow at 20°C. Values are based on the Darcy-Weisbach equation with roughness ε = 0.045 mm (commercial steel).

Data Table

12 rows
Approximate pressure loss per 100 m of commercial steel pipe for water at 20°C
nps
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
4
6
8
10

Source: engineeringtoolbox.com

Notes

  • Values are at standard conditions unless otherwise noted
  • Always verify values for critical applications

References