SHS 70×70×4
Square hollow sections from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 70 mm | 2.7559 in |
| Width | 70 mm | 2.7559 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 747,000 mm⁴ | 1.7947 in⁴ |
| Elastic modulus, Sₓ | 21,300 mm³ | 1.2998 in³ |
| Plastic modulus, Zₓ | 25,500 mm³ | 1.5561 in³ |
| Radius of gyration, rₓ | 26.8 mm | 1.0551 in |
| Distance to top fibre | 35 mm | 1.378 in |
| Distance to bottom fibre | 35 mm | 1.378 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 747,000 mm⁴ | 1.7947 in⁴ |
| Elastic modulus, S_y | 21,300 mm³ | 1.2998 in³ |
| Plastic modulus, Z_y | 25,500 mm³ | 1.5561 in³ |
| Radius of gyration, r_y | 26.8 mm | 1.0551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,180,000 mm⁴ | 2.835 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 8.15 kg/m | 5.4765 lb/ft |