2- Steel Pipes
Steel pipes are utilized in water mains circumstances where the pipes are going through very high pressure ( More than 7 kg/cm2) and required large diameter pipes. These pipes have greater strength and less weight than CI pipes. Satisfactory treatments should be given to maintain antagonistic climatic conditions.

3-Galvanized Iron Pipes
Galvanized pipes are also known as GI pipes are fashioned steel pipes with zinc coating. GI pipes are mostly utilized for water supply and service connections.

4- Copper Pipes
Copper pipes are most commonly utilized in hot water supply establishment. Some features of these pipes are as follows:
1- They possess high tensile strength.
2- They can be bent easily.
3- Copper pipes can be used in the thin wall.
Copper pipes are sometimes chromium-plated to enhance their appearance and to match with the chromium-plated water supply fittings.

5- Polythene Pipes
Polythene and PVC pipes are being utilized progressively nowadays for cold water supply inside and outside works. These pipes are lightweight, cheaper, corrosion resistant, and require no threading for making any connections.
Besides these, there are other pipes commonly used for water distribution such as asbestos cement (AC) pipes, reinforced concrete (RCC) pipes, prestressed reinforced concrete (PSC) pipes etc. The selection of the types of pipe for utilizing any purposes is adopted according to the design criteria, material availability, cost, and other comparative variables.

