RHS 400×150×11
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 | 400 mm | 15.748 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 | 218,000,000 mm⁴ | 523.7471 in⁴ |
| Elastic modulus, Sₓ | 1,090,000 mm³ | 66.5159 in³ |
| Plastic modulus, Zₓ | 1,400,000 mm³ | 85.4332 in³ |
| Radius of gyration, rₓ | 138 mm | 5.4331 in |
| Distance to top fibre | 200 mm | 7.874 in |
| Distance to bottom fibre | 200 mm | 7.874 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 45,600,000 mm⁴ | 109.5544 in⁴ |
| Elastic modulus, S_y | 609,000 mm³ | 37.1635 in³ |
| Plastic modulus, Z_y | 691,000 mm³ | 42.1674 in³ |
| Radius of gyration, r_y | 63 mm | 2.4803 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 124,000,000 mm⁴ | 297.9112 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 90.2 kg/m | 60.6116 lb/ft |