If you’re in need of steel channels with thorough quality assurance and fast turnaround you can rely on, look no further. We deliver all over Sydney.

Structural Channels

Also known as C-channels, U-channels, J-channels, Z-channels and Parallel Flange channels

Cedar Steel can be your partner in advising, supplying, finishing, delivering and installing the structural steel channels to your specifications to help you complete the structural needs of your building.

As fabricators, we are able to supply steel channels to your customised requirements:

  • C Steel Channels
  • U Steel Channels
  • J Steel Channels
  • Z Steel Channels
  • Parallel Flange Channels

We are able to supply channels to the exact shapes, lengths, sizes and thicknesses you need.


We supply our structural channels by default, finished in Zinc Phosphate Primer per Australian industry standards.

However, our team can supply other finishes for your project, on request:

  • Powder Coating
  • Hot Dip Galvanised Finish
  • Hot Zinc Spray
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Industrial Steel Supplier Sydney

What is a Structural Steel Channel?

Steel channels are a type of structure hot rolled from mild steel into a U, J, C or tube shape to provide strength and rigidity to the internal structure of buildings during construction. It is important to get the proportions of these steel products right to ensure that they are safely and securely able to withstand weight and impact from potential loads. 

What is a C-channel? 

The C-channel, or parallel flange channel, is a shape with a consistent width across the length and thick tapered flanges that give it a ‘c’ cross-section.

Structural C channels were once majorly used to support bridges, but have now become a cost-effective structural component for short and middle-spanning buildings. C-channel beams can be joined together to create a robust box-style foundation, or with a broad flat surface to create an i-beam. 

What is a U-channel? 

A U steel channel has a similar shape to the C-channel. It has a consistent width across the length of the beam, but with flat parallel flanges instead of tapered ones. 

Structural U channels are a common staple in residential use for finishing doorways and window frames. 

What is a J-channel?

The J-channel has a longer flange and a shorter flanger, creating its ‘J’ shape. J-channels are also designed for trimming openings on wall panels, doors, windows and louvres to clean up the lines and give the project an overall clean and completed appearance. 

What is a Z-channel?

Z steel channels have a ‘z’ shaped cross-section, designed to provide transition and connection to two different materials. They are widely used for metal roofing.

Applications for Steel Channels across industries:

For Residential Use:

  • Primary frameworks
  • Supporting structural components
  • We offer a 48-hour turnaround service for steel channels for Residential Projects

For Commercial Use:

  • Retail shops
  • Offices
  • Mezzanine floors to expand retail space
  • Support Components

For Industrial Use:

  • Warehouses
  • Automotive Manufacturing
  • Warehouse Mezzanine Floors 

For Civil Use: 

  • Bridges