Ductile Iron Pipes Overview

Ductile iron is an iron/carbon/silicon alloy with a nodular graphite structure that produces a strong, ductile material. With more than double the tensile strength and much higher ductility than that of cast iron, ductile iron pipes are simple to joint, can be laid in all weather conditions and often without the need for selected backfill. Its high safety factor and ability to accommodate ground movement make it the ideal pipeline material for a wide range of applications.

Electrosteel manufacture a range of Ductile Iron Pipes:


 DN 80 to DN 1000mm

Main Product Standards
and Specifications:

- EN 545:2010 for Potable Water Applications
- EN 598:2007 + A1:2009 for Sewage and Dirty Water Applications
- ISO 2531
- ISO 7186
- BSI Kitemark

The general requirements for the installation of pipelines are contained in EN 805 Water Supply - Requirements for systems and components outside buildings.

Socket and Spigot pipes:

  • With Tyton Type 'Push Fit' Flexible Joints    

Socket and Spigot Self Restraining Joints:

  • Weld Bead Restrained Joint              
  • Anchor Gaskets
  • Electrolock Double Chamber Locking Joint

socket + spigot

Flanged Pipes:

  • Double Flanged                             
  • Flanged Spigot
  • Double Spigot
  • Tie Flanges and Puddle Flanges
flange pipe


Electrofresh & Electrofresh Plus (EN 545)
  • Potable water trunk mains
  • Distribution mains
  • Raw water mains

Sewer pipe (EN 598)
  • Sewage pumping mains                        
  • Gravity sewers
  • Drainage

  • Pump stations
  • Process and treatment works
  • Bridge crossings
  • Fire mains
  • Ash and a slurry handling
  • Piling applications for ground stabilisation
  • Road crossings



Ductile Iron Pipes exhibit the following key advantages over other types of piping:

Inherent strength characteristics provide durable and reliable service life whilst compensating for changes in environment such as ground settlement.

These pipes are suitable for above ground and below ground applications.

Easy to Install:
Proven push fit flexile joint allows for ease of installation in most site conditions.

Lighter to use:
Ductile Iron Flanged Pipes are lighter, which reduces handling and transportation cost.

Straight forward:
Angular deflection of the joint enables a reduction in the requirement for bends.

Cost Efficient:
As the need for imported backfill is reduced, the cost associated with disposal of excavated material is made less.

Under pressure connections are straightforward.

A full range of socket/ flanged / restrained fittings are available.

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