Ductile Iron Pipes have higher tensile strength, yield strength, ductility and impact
resistance which are the reasons why the use of Ductile Iron Pipes has grown up at
a rapid rate over the last 50 years or so replacing pipes of other materials for water
supplies and sewage lines.
DI Pipes are available in two class K-7 & K-9 with different diameter as under:
| Class | Pipe Diameter | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| K-7 | 80 | 100 | 125 | 150 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 |
| K-9 | 80 | 100 | 125 | 150 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 |