RHS 220×120×10
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 | 220 mm | 8.6614 in |
| Width | 120 mm | 4.7244 in |
| Thickness, t | 10 mm | 0.393701 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 38,400,000 mm⁴ | 92.2564 in⁴ |
| Elastic modulus, Sₓ | 349,000 mm³ | 21.2973 in³ |
| Plastic modulus, Zₓ | 440,000 mm³ | 26.8504 in³ |
| Radius of gyration, rₓ | 78.2 mm | 3.0787 in |
| Distance to top fibre | 110 mm | 4.3307 in |
| Distance to bottom fibre | 110 mm | 4.3307 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 14,600,000 mm⁴ | 35.0766 in⁴ |
| Elastic modulus, S_y | 243,000 mm³ | 14.8288 in³ |
| Plastic modulus, Z_y | 285,000 mm³ | 17.3918 in³ |
| Radius of gyration, r_y | 48.1 mm | 1.8937 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 34,300,000 mm⁴ | 82.4061 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 49.4 kg/m | 33.1953 lb/ft |