Steel Tubing & Bars
Steel Tubing, Steel Bars & Extrusions for Trades, Fabricators, Farmers & DIYers
Steel Tubing SHS & RHS
Flat Bar
Angle Iron
Your Trusted Supplier for Steel Tubing & Sections in Adelaide
At Northern Steel Supplies, we offer a comprehensive range of extruded steel tubing and sections sourced from trusted manufacturers across Australia and Asia. All our steel materials are built to meet or exceed Australian standards and are suitable for a wide range of engineered and DIY applications. Whether it’s structural work, framing, fencing or fabrication, we’ll ensure you get quality steel products at highly competitive prices.
Steel Tubing Range
At Northern Steel Supplies, we carry an extensive inventory of steel tubing and sections, ensuring you have access to the materials you need for your project.
Steel Tubing
RHS, SHS, and CHS steel tubing in various sizes and wall thicknesses.
Extruded Steel Sections
Flat Bars, Angle Irons, and more in multiple widths and thicknesses for structural and fabrication applications.
Steel Tubing – RHS, SHS & CHS
Northern Steel Supplies stock a range of square, rectangular and circular hollow sections to suit a variety of structural and mechanical applications. From furniture and fabrication projects to structural frameworks, our steel tubing offers superior strength and versatility.
RHS (Rectangular Hollow Sections)
Ideal for framing, construction, and engineering applications, RHS provides excellent structural support and offers high strength-to-weight ratios.
RHS Widths:
38mm x 25mm to 100mm x 50mm
RHS Thicknesses:
1.6mm to 4.0mm
RHS Lengths:
6.5m and 8m (depending on size. Can be cut to size for delivery).
(Additional widths and thicknesses are available by special order).
SHS (Square Hollow Sections)
Perfect for both structural and aesthetic purposes, SHS is widely used in architectural designs, furniture fabrication, and load-bearing structures and offers excellent strength-to-weight ratios.
SHS Widths:
20mm x 20mm to 1000mm x 100mm
SHS Thicknesses:
1.6mm to 4.0mm
SHS Lengths:
6.5m and 8m (depending on size. Can be cut to size for delivery).
(Additional widths and thicknesses are available by special order).
CHS (Circular Hollow Sections)
Commonly used in pipework, scaffolding, fencing and gates, CHS offers a sleek, smooth design that delivers excellent torsional strength and flexibility.
CHS Widths:
19mm to 60.3mm
CHS Thicknesses:
1.2mm to 3.2mm
CHS Lengths:
6.5m CHS (can be cut to size for delivery).
(Additional diameters and thicknesses are available by special order).
Steel Sections – Flat Bar & Angle Iron
We supply a broad range of steel sections, including flat bars and angle irons, that offer excellent flexibility for a variety of construction, fabrication and manufacturing applications. These sections are widely used in frameworks, supports, and bracing due to their superior strength and versatility.
Flat Bar
Available in multiple widths and thicknesses, flat steel bars are ideal for use in construction, reinforcement, fabrication, and welding. Whether you need flat bars for bracing, gate building, or general structural work, we have the sizes to fit your project.
Flat Bar Widths:
20mm to 100mm
Flat Bar Thickness:
3mm to 10mm
Flat Bar Lengths:
7.5m and 9m (depending on size. Can be cut to size for delivery).
(Additional sizes are available by special order).
Angle Iron
Steel angle iron (also called L-angle) provides exceptional support for load-bearing structures, frames, and reinforcements. Available in various sizes and thicknesses, angle irons are perfect for shelving, supports, brackets, and much more.
Angle Iron Widths:
25mm x25mm to 100mm x 100mm
Angle Iron Thickness:
3mm to 6mm
Angle Iron Lengths:
7.5m and 9m (depending on size. Can be cut to size for delivery).
(Additional sizes are
Why Choose Northern Steel Supplies for Steel Tubing & Sections?
Strength & Versatility
Competitive Steel Tubing Pricing
Wide Stock Range
Expert Knowledge
Custom Orders Available
Statewide Delivery
Build stronger with Northern Steel Supplies – your partner in steel tubing and steel sections.
Call for a free quote or visit us at 1/87 Rundle Road, Salisbury South SA 5106.