RHS 400×150×16
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 | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 298,000,000 mm⁴ | 715.9479 in⁴ |
| Elastic modulus, Sₓ | 1,490,000 mm³ | 90.9254 in³ |
| Plastic modulus, Zₓ | 1,950,000 mm³ | 118.9963 in³ |
| Radius of gyration, rₓ | 135 mm | 5.315 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 | 60,400,000 mm⁴ | 145.1116 in⁴ |
| Elastic modulus, S_y | 805,000 mm³ | 49.1241 in³ |
| Plastic modulus, Z_y | 947,000 mm³ | 57.7895 in³ |
| Radius of gyration, r_y | 60.9 mm | 2.3976 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 168,000,000 mm⁴ | 403.6216 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 128 kg/m | 86.012 lb/ft |