SHS 300×300×16
Square hollow sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 300 mm | 11.811 in |
| Width | 300 mm | 11.811 in |
| Thickness, t | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 238,000,000 mm⁴ | 571.7973 in⁴ |
| Elastic modulus, Sₓ | 1,590,000 mm³ | 97.0278 in³ |
| Plastic modulus, Zₓ | 1,900,000 mm³ | 115.9451 in³ |
| Radius of gyration, rₓ | 115 mm | 4.5276 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 238,000,000 mm⁴ | 571.7973 in⁴ |
| Elastic modulus, S_y | 1,590,000 mm³ | 97.0278 in³ |
| Plastic modulus, Z_y | 1,900,000 mm³ | 115.9451 in³ |
| Radius of gyration, r_y | 115 mm | 4.5276 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 376,000,000 mm⁴ | 903.3436 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 141 kg/m | 94.7476 lb/ft |