SHS — Square Hollow Sections
Cross-section properties of hot-finished square hollow sections
| h | — | Overall side length |
| t | — | Wall thickness |
| ro | — | Outer corner radius |
| G | — | Mass per unit length |
| A | — | Cross-section area |
| Iy | — | Second moment of area about y-axis |
| iy | — | Radius of gyration about y-axis |
| Wy | — | Elastic section modulus about y-axis |
| Wpl,y | — | Plastic section modulus about y-axis |
| Ay | — | Shear area parallel to y-axis |
| It | — | Torsion constant |
| Wt | — | Torsion section modulus |
| Am | — | Surface area per unit length |