RHS 450×150×11
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 | 450 mm | 17.7165 in |
| Width | 150 mm | 5.9055 in |
| Thickness, t | 11 mm | 0.433071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 296,000,000 mm⁴ | 711.1428 in⁴ |
| Elastic modulus, Sₓ | 1,320,000 mm³ | 80.5513 in³ |
| Plastic modulus, Zₓ | 1,700,000 mm³ | 103.7404 in³ |
| Radius of gyration, rₓ | 153 mm | 6.0236 in |
| Distance to top fibre | 225 mm | 8.8583 in |
| Distance to bottom fibre | 225 mm | 8.8583 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 51,000,000 mm⁴ | 122.528 in⁴ |
| Elastic modulus, S_y | 680,000 mm³ | 41.4961 in³ |
| Plastic modulus, Z_y | 768,000 mm³ | 46.8662 in³ |
| Radius of gyration, r_y | 63.6 mm | 2.5039 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 144,000,000 mm⁴ | 345.9614 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 98.8 kg/m | 66.3905 lb/ft |