SHS 100×100×7.1
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 | 7.1 mm | 0.279528 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3,670,000 mm⁴ | 8.8172 in⁴ |
| Elastic modulus, Sₓ | 73,400 mm³ | 4.4791 in³ |
| Plastic modulus, Zₓ | 89,200 mm³ | 5.4433 in³ |
| Radius of gyration, rₓ | 37.7 mm | 1.4843 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 | 3,670,000 mm⁴ | 8.8172 in⁴ |
| Elastic modulus, S_y | 73,400 mm³ | 4.4791 in³ |
| Plastic modulus, Z_y | 89,200 mm³ | 5.4433 in³ |
| Radius of gyration, r_y | 37.7 mm | 1.4843 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 5,890,000 mm⁴ | 14.1508 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 20.3 kg/m | 13.641 lb/ft |