Values of surface roughness for various materials:

Material

Surface Roughness k, inch

Drawn tubing0.00006
Commercial steel0.0018
Galvanized iron0.006
Cast iron0.010
Wood stave0.0072 - 0.036
Concrete0.012 - 0.12
Riveted steel0.036 - 0.36


Last modified: Tuesday, 9 April 2024, 8:33 PM