150-UC-23 : H Channel (150mm) Galvanised Steel Middle Joiner Retaining Wall Post

$67.50$450.00 +GST

Introducing the Heavy Duty Series, H Channel 150mm Galvanised Steel Middle Joiner Post (150-UC-23), the ideal solution for supporting the straight middle panels of your structural retaining wall projects. This 150-UC (100mm Universal Column) post is long-lasting and compatible with any of our heavy duty 100mm concrete sleepers, or the super heavy duty 120mm thick concrete sleepers.

This steel post, made of hot-rolled steel and hot-dipped galvanised for long-term protection against weather, fire, and corrosion, is also manufactured to Australian standards AS/NZS 4680

Weighing in at approximately 23.4 kg per metre, the 150mm H Channel comes in 16 different lengths, ranging from 900mm all the way up to 6 meters in length. 

Alternatively, if you’re looking for the 150-UC-30, 150-UC-37 or the 200-UC-46 premium steel range, then we can organise a custom order for you. Please contact our support team to enquire, or call us on 0410 818 242. 

If you’re looking for steel posts that fit our 80mm standard strength concrete sleepers, then please see our 100mm width steel posts range. 

150 UC 23.4 H Channel Galvanised Steel Beam Middle Joiner Post to Support The Middle Panels of 100 120mm Concrete Sleeper Retaining Wall by Sunset Sleepers
150-UC-23 : H Channel (150mm) Galvanised Steel Middle Joiner Retaining Wall Post $67.50$450.00 +GST
Sunset Sleepers Sales and Support Team 2

Need help with your order?

Our friendly sales and support team are here Monday to Friday, 7:30am – 4pm (AEST) to help you with your order.

Why Sunset Sleepers?


  • Hot-rolled steel
  • Hot-dipped galvanised
  • Manufactured to Australian standards
  • Long lasting protection against weather, fire and corrosion
  • Will not fade, rot, warp or be subject to termites
  • Pre-drilled for fence bracket connection
  • Can be painted to suit the surrounding colour scheme

While we have made every effort to check and verify the information provided here by our third party suppliers, we cannot give any guarantees as to its accuracy. If you do find an error, please let us know so we can correct it.

Additional information

Material: No selection

Hot Dipped Galvanised Steel

Weight KG-M: No selection

23.4 kg/m

Overall Height: No selection

152.0 mm

Flange Width: No selection

152.0 mm

Flange Thickness: No selection


Web Thickness: No selection


Root Radius: No selection


Depth Between Flanges: No selection



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