Tabel Koefisien Pipa Hazen-William (Chw)
| Material | Hazen-William (C) |
|---|---|
| ABS | 130 |
| Aluminium | 130-150 |
| Asbestos Cement | 140 |
| Asphalt Lining | 130-140 |
| Brass | 130-140 |
| Cast Iron-New Unlined | 130 |
| Cast Iron 10 tahun | 107-113 |
| Cast Iron 20 tahun | 89-100 |
| Cast Iron 30 tahun | 75-90 |
| Cast Iron 40 tahun | 64-83 |
| Cast Iron-Asphalt Coated | 100 |
| Cast Iron-Cement Lined | 140 |
| Ductile Iron Pipe (DIP) | 140 |
| Ductile Iron Pipe Cement Lined | 120 |
| Galvanized Iron | 120 |
| Metal Pipe Very to Extremely Smooth | 130-140 |
| Polyethylene | 140 |
| Polyvinyl Chloride, PVC | 140 |
| Steel, Welded, seamless | 100 |
| Vetrified Clay | 110 |
Tabel Kekasaran Pipa Absolut Darcy-Waisbach (epsilon)
Tabel ini sudah dalam satuan millimeter. Jika ingin lebih lengkap bisa dilihat di Sini.
| Material | Darcy-Waisbach (mm) |
|---|---|
| Riveted steel | 0.9-9.0 |
| Comercial steel/welded steel | 0.045 |
| Cast iron | 0.26 |
| Galvanized iron | 0.15 |
| Asphalted cast iron | 0.12 |
| Wrought iron | 0.045 |
| PVC, drawn tubing,glass | 0.0015 |
| Concrete | 0.3-3.0 |