| Type of Pipe | ε .103..( = εmm ) |
| Cast Iron | 0,203 |
| Galvanised Steel | 0,152 |
| Steel/Wrought Iron | 0,051 |
| Rivetted Steel | 0,91 - 9,1 |
| Asphalted Cast Iron | 0,12 |
| Wood-Stave | 0,18 - 0,91 |
| Concrete | 3,0 |
| Spun Concrete | 0,203 |
| Drawn Copper, Brass Steel,Glass | Smooth |
Useful information, standards, tables and formula related to mechanical engineering and engineering materials.
