SHS 100×100×4
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 | 100 mm | 3.937 in |
| Width | 100 mm | 3.937 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,320,000 mm⁴ | 5.5738 in⁴ |
| Elastic modulus, Sₓ | 46,400 mm³ | 2.8315 in³ |
| Plastic modulus, Zₓ | 54,400 mm³ | 3.3197 in³ |
| Radius of gyration, rₓ | 39.1 mm | 1.5394 in |
| Distance to top fibre | 50 mm | 1.9685 in |
| Distance to bottom fibre | 50 mm | 1.9685 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,320,000 mm⁴ | 5.5738 in⁴ |
| Elastic modulus, S_y | 46,400 mm³ | 2.8315 in³ |
| Plastic modulus, Z_y | 54,400 mm³ | 3.3197 in³ |
| Radius of gyration, r_y | 39.1 mm | 1.5394 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,610,000 mm⁴ | 8.6731 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 11.9 kg/m | 7.9964 lb/ft |