Pipe roughness $\epsilon$ data

Pipe Roughness ($\epsilon$) Lookup Tool

Determine absolute surface roughness $\epsilon$ for various pipe materials

Absolute Surface Roughness Notation:
$\epsilon$

Select Pipe Material: -- Select Material -- Glass, brass, copper, aluminum (drawn tubing) PVC / CPVC / plastic Fiberglass (FRP / GRP) HDPE / polyethylene (PE) Stainless steel Commercial / wrought steel (new) Galvanized iron / steel Corroded / rusted steel Riveted steel Asphalted cast iron Ductile iron (cement-lined) Cast iron (uncoated) Concrete (smooth / new) Concrete (coarse / rough) Wood stave Brick / rubble channels New Drawn Copper / Brass Used / Aged Copper

Pipe Roughness Parameters ($\epsilon$)

Unit System	Unit	Roughness Value ($\epsilon$)