Excellent Mechanical Properties
| |
Ductile Iron Pipe |
Grey Cast Iron Pipe |
Steel Pipe |
| Tensile strength (N/mm2) |
min. 420 |
150~260 |
min. 400 |
| Bending strength (N/mm2) |
min. 590 |
200~360 |
min. 400 |
| Elongation (&) |
min. 10 |
negligible |
min. 18 |
| Module of Elasticity (N/mm2) |
approx. 16x104 |
approx. 11x104 |
approx. 16x104 |
| Hardness (HB) |
max. 230 |
max. 230 |
approx. 140 |
Superior ability against high working pressure
| Nominal Diameter (mm) |
Hydrostatic Test Pressure (bar) |
| 100~300 |
50 |
| 350~600 |
40 |
| 700~1000 |
32 |
| 1200~2000 |
25 |
|
