RHS 350×150×11
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 | 350 mm | 13.7795 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 | 155,000,000 mm⁴ | 372.389 in⁴ |
| Elastic modulus, Sₓ | 888,000 mm³ | 54.1891 in³ |
| Plastic modulus, Zₓ | 1,130,000 mm³ | 68.9568 in³ |
| Radius of gyration, rₓ | 122 mm | 4.8032 in |
| Distance to top fibre | 175 mm | 6.8898 in |
| Distance to bottom fibre | 175 mm | 6.8898 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 40,300,000 mm⁴ | 96.8211 in⁴ |
| Elastic modulus, S_y | 538,000 mm³ | 32.8308 in³ |
| Plastic modulus, Z_y | 615,000 mm³ | 37.5296 in³ |
| Radius of gyration, r_y | 62.3 mm | 2.4528 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 104,000,000 mm⁴ | 249.861 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 81.5 kg/m | 54.7655 lb/ft |