90 Degree Corner
Build strong, clean 90-degree turns in your retaining wall using 150mm heavy-duty corner steel posts. Designed to suit 150mm concrete sleepers, these hot-dip galvanized posts are ideal for high-load, structural applications. Perfect for engineered walls over 1.2m, they deliver maximum strength, corrosion protection, and compliance with Australian Standards. Order online for fast Australia-wide delivery.
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150 Heavy Duty Steel Series, 90 Degree Corner, Retaining Wall Steel Posts
Price range: $351.12 through $1,003.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Structural 90° Steel Corner Posts for 150mm Sleeper Retaining Walls
Our 150mm heavy-duty 90° corner steel posts are built for serious structural performance. Designed to connect two 150mm thick concrete sleeper walls at a right angle, these posts provide the strength and precision required for large retaining wall builds.
Manufactured from structural-grade steel and hot-dip galvanized, they’re ideal for creating sharp, clean corners in heavy-duty walls—whether for residential, commercial, or civil construction projects.
When to Use 150mm Corner Steel Posts
These corner posts are best used when: – Building **walls over 1.2m high** – Using **150mm concrete sleepers** – Needing **council-approved or engineered solutions** – Turning retaining walls at **90-degree angles** – Constructing **high-retention or driveway walls**
Their structural rating makes them suitable for load-bearing environments or areas subject to soil pressure and environmental stress.
Why Choose Our 150mm Heavy-Duty Corner Posts?
- Specifically made to suit 150mm thick sleepers
- Forms accurate 90° turns in your retaining wall
- Hot-dip galvanized for maximum rust and weather protection
- Engineered for strength, compliance, and stability
- Available in multiple lengths to match wall height
Compatible with 150UC and 200PFC steel posts for complete structural framing of your retaining wall system.
Nationwide Delivery & Expert Advice
We offer delivery of 150mm 90° steel corner posts across Sydney, Melbourne, Brisbane, Perth, Adelaide, and regional areas. Our team is ready to help you match sleeper thickness, wall height, and engineering specs with the right post configuration.
