RHS 350×150×10
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 | 350 mm | 13.7795 in |
| Width | 150 mm | 5.9055 in |
| Thickness, t | 10 mm | 0.393701 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 143,000,000 mm⁴ | 343.5589 in⁴ |
| Elastic modulus, Sₓ | 818,000 mm³ | 49.9174 in³ |
| Plastic modulus, Zₓ | 1,040,000 mm³ | 63.4647 in³ |
| Radius of gyration, rₓ | 123 mm | 4.8425 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 | 37,400,000 mm⁴ | 89.8539 in⁴ |
| Elastic modulus, S_y | 498,000 mm³ | 30.3898 in³ |
| Plastic modulus, Z_y | 566,000 mm³ | 34.5394 in³ |
| Radius of gyration, r_y | 62.7 mm | 2.4685 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 96,300,000 mm⁴ | 231.3617 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 74.5 kg/m | 50.0617 lb/ft |