Friction factors for steam?

[Smed]

How does one find the friction factor of a high pressure, turbulent steam flow? Is there a Moody Diagram equivalent for these fluid conditions?

[edgepflow]

The Moody Chart or correlations may be applied for practical purposes.

Your friction factor will be a function of Reynolds Number, pipe ID, and pipe surface roughness.

The Reynold's Number depends on density, fluid velocity, ID, and viscosity. You can determine these properties for your flowing steam conditions.