40mm SHS
United Steel supplies 40x40 SHS in the sizes listed below:| 40mm SHS | Kg / Metre | Lengths / Tonne | Length | Kg / Length |
| 40 x 40 x 1.6mm | 1.9 | 66.49 | 8.0 | 15.04 |
| 40 x 40 x 2.0mm | 2.3 | 54.11 | 8.0 | 18.48 |
| 40 x 40 x 2.5mm | 2.8 | 44.64 | 8.0 | 22.56 |
| 40 x 40 x 3.0mm | 3.3 | 37.88 | 8.0 | 26.40 |
| 40 x 40 x 4.0mm | 4.1 | 30.49 | 8.0 | 32.72 |