RHS 120×80×7.1
Rectangular 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 | 120 mm | 4.7244 in |
| Width | 80 mm | 3.1496 in |
| Thickness, t | 7.1 mm | 0.279528 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 4,820,000 mm⁴ | 11.5801 in⁴ |
| Elastic modulus, Sₓ | 80,300 mm³ | 4.9002 in³ |
| Plastic modulus, Zₓ | 100,000 mm³ | 6.1024 in³ |
| Radius of gyration, rₓ | 43.2 mm | 1.7008 in |
| Distance to top fibre | 60 mm | 2.3622 in |
| Distance to bottom fibre | 60 mm | 2.3622 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,510,000 mm⁴ | 6.0303 in⁴ |
| Elastic modulus, S_y | 62,800 mm³ | 3.8323 in³ |
| Plastic modulus, Z_y | 75,200 mm³ | 4.589 in³ |
| Radius of gyration, r_y | 31.2 mm | 1.2283 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 5,350,000 mm⁴ | 12.8534 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 20.3 kg/m | 13.641 lb/ft |