Electrosteel Castings Limited manufactures and supplies ductile iron (DI) pipes, DI fittings and accessories, and cast iron (CI) pipes in India and internationally. It offers DI pipes, such as DI socket and spigot pipes with push-on joints, and DI flanged pipes; and DI fittings, including various socketted DI fittings with push-on joints, various flanged DI fittings, DI fittings with push-on type restrained joints, DI mechanical joint fittings with rubber gaskets and follower glands, and fabricated and custom made DI fittings. The company's DI pipes are used in various applications, including raw and clear water transmission; distribution network of potable water; water supply for industrial/process plants; ash-slurry handling and disposal systems; on-shore and off-shore firefighting systems; desalination plants; sewerage and waste water force mains; gravity sewerage collection and disposal systems; storm water drainage piping; domestic and industrial disposal systems; recycling systems; piping work in water and sewage treatment plants; vertical connection to utilities and reservoirs; piling for ground stabilization; and protective piping under carriage-ways. It also provides metallurgical coke, sponge iron, and silico manganese ferro alloy, as well as produces and sells electricity The company was formerly known as Dalmia Iron and Steel Ltd. Electrosteel Castings Limited was incorporated in 1955 and is headquartered in Kolkata, India.