Steel square bar is a strong and versatile solid steel section widely used in fabrication, construction, engineering, and general steelwork applications throughout Johannesburg and Gauteng. Its square profile makes it ideal for gates, frames, supports, brackets, decorative steelwork, and machined components where flat surfaces and structural strength are important.
We stock a wide range of steel square bar sizes and cut every bar to your exact required length at no additional cost—so you only pay for the material you take.
We cut to length on all size| Product | Cut to Size | |
| 8x8mm mild steel square bar | Cut to size | |
| 10x10mm mild steel square bar | Cut to size | |
| 12x12mm mild steel square bar | Cut to size | |
| 16x16mm mild steel square bar | Cut to size | |
| 20x20mm mild steel square bar | Cut to size | |
| 40x40mm mild steel square bar | Cut to size | |
| 50x50mm mild steel square bar | Cut to size |
Steel square bar offers many of the same strength advantages as round bar while providing flat surfaces that simplify mounting, welding, and fabrication. This makes square bar especially useful for frames, brackets, gates, and structural assemblies where alignment and surface contact are important.