Self-Coloured Steel Tube.
Also known as black steel tube, is untreated and lacks a protective coating. It’s distinctive dark appearance results from the manufacturing process, which leaves the surface in its natural state. While it lacks corrosion resistance, self-coloured steel tube is often used for structural applications due to its durability and affordability.
- From ½ inch to 6 inch.
- Available in 6.5m and 3.25m lengths.