| Material | Subtype | Roughness (μm) |
|---|---|---|
| Aluminium | Drawn (New) | 1.5 to 2.5 |
| Aluminium | Extruded | 2.5 to 5.0 |
| Aluminium | Oxidized/Old | 3.0 to 8.0 |
| Bronze | Cast | 4.0 to 6.0 |
| Bronze | Machined | 1.5 to 3.0 |
| Copper | Drawn (New) | 1.50 |
| Copper | Soldered | 2.0 to 4.0 |
| Copper | Wieland-K65 | 1.0 to 1.5 |
| Iron, Cast | Commercial (New) | 250 to 500 |
| Iron, Cast | Old/Corroded | 500 to 850 |
| Iron, Ductile | Lined | 50 to 100 |
| Iron, Ductile | Unlined | 100 to 250 |
| PE-Xc | Cross-linked PE | 1.0 to 6.0 |
| PE100 | Standard | 1.0 to 6.0 |
| PE80 | Standard | 1.0 to 6.0 |
| PP | Standard | 1.5 to 6.0 |
| PVC | Standard | 1.5 to 6.0 |
| Steel, Carbon | Aged/Rusted | 100 to 300 |
| Steel, Carbon | Commercial (New) | 45 |
| Steel, Galvanized | Commercial (New) | 150 |
| Steel, Galvanized | Old | 200 to 400 |
| Steel, Stainless | Electropolished | 10 to 15 |
| Steel, Stainless | Welded | 20 to 30 |
| Steel, Stainless AISI 316L | Polished | 10 to 20 |
| Steel, Stainless AISI 316L | Welded | 20 to 30 |