RHS 50×30×3.2
Rectangular 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 | 50 mm | 1.9685 in |
| Width | 30 mm | 1.1811 in |
| Thickness, t | 3.2 mm | 0.125984 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 142,000 mm⁴ | 0.341156 in⁴ |
| Elastic modulus, Sₓ | 5,680 mm³ | 0.346615 in³ |
| Plastic modulus, Zₓ | 7,250 mm³ | 0.442422 in³ |
| Radius of gyration, rₓ | 17.6 mm | 0.692913 in |
| Distance to top fibre | 25 mm | 0.984252 in |
| Distance to bottom fibre | 25 mm | 0.984252 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 62,000 mm⁴ | 0.148956 in⁴ |
| Elastic modulus, S_y | 4,130 mm³ | 0.252028 in³ |
| Plastic modulus, Z_y | 5,000 mm³ | 0.305119 in³ |
| Radius of gyration, r_y | 11.6 mm | 0.456693 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 142,000 mm⁴ | 0.341156 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 3.61 kg/m | 2.4258 lb/ft |