SHS 140×140×6.3
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 | 140 mm | 5.5118 in |
| Width | 140 mm | 5.5118 in |
| Thickness, t | 6.3 mm | 0.248031 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 9,840,000 mm⁴ | 23.6407 in⁴ |
| Elastic modulus, Sₓ | 141,000 mm³ | 8.6043 in³ |
| Plastic modulus, Zₓ | 166,000 mm³ | 10.1299 in³ |
| Radius of gyration, rₓ | 54.4 mm | 2.1417 in |
| Distance to top fibre | 70 mm | 2.7559 in |
| Distance to bottom fibre | 70 mm | 2.7559 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 9,840,000 mm⁴ | 23.6407 in⁴ |
| Elastic modulus, S_y | 141,000 mm³ | 8.6043 in³ |
| Plastic modulus, Z_y | 166,000 mm³ | 10.1299 in³ |
| Radius of gyration, r_y | 54.4 mm | 2.1417 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 15,400,000 mm⁴ | 36.9986 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 26.1 kg/m | 17.5384 lb/ft |