Australian made • Solutions for Life
Delivering Strength, Confidence
and Trust to Water Infrastructure
Steel Mains is Australia’s largest manufacturer and supplier of Mild Steel Water Pipeline Solutions, with world-leading technology and over 140 years of experience
Trusted by water authorities and contractors across Australia
A Complete Solution for Your Water Infrastructure Needs
Sintakote® Steel Pipe
Fusion-bonded polyethylene coated steel pipeline system for water and wastewater.
Joint Types
Sintajoint, Sintalock and welded jointing systems for Sintakote steel pipelines.
Steel Fittings
Fabricated bends, tees, tapers, flanges and specials, coated and lined to match.
Coatings & Linings
Sintakote fusion-bonded coating and cement mortar lining for corrosion protection.
Document Hub
Every Brochure you need, all in one place
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Solutions for Life ™
For over 140 years, Steel Mains and its forerunners have been and continue to be Australia’s largest manufacturer and supplier of Mild Steel water pipeline solutions, with manufacturing and delivery from two Australian plants: Somerton (VIC) and Kwinana (WA).
Latest news
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Projects
Fitzroy to Gladstone Pipeline Shortlisted for National Sustainability Awards
The Fitzroy to Gladstone pipeline (FGP) has been shortlisted in two categories at the 2026 Infrastructure Sustainability Council Awards – Excellence in Economic Outcomes and Excellence in Social Outcomes.
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Industry News
The Great South Australian Dream
SA Water's largest metro network expansion in decades is well underway, and the utility has hit some key milestones that are laying the foundation for the state's thriving future.
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Projects
Final Pipe Connects Fitzroy to Gladstone
The last pipe has been installed for the 117km Fitzroy to Gladstone Pipeline (FGP), which is now set to deliver a secure water future for the region.
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Sustainability
Taking Environmental Responsibility
Following on from Steel Main's Sintakote steel pipe system receiving an Environmental Product Declaration at end of 2022, the company is continuing to ramp up its end goal of reducing emissions.
Read articleSteel Mains – Your Trusted Water Infrastructure Partner
Reach out to your Steel Mains contact for help on your next water project