RHS 400×150×10
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 | 400 mm | 15.748 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 | 201,000,000 mm⁴ | 482.9044 in⁴ |
| Elastic modulus, Sₓ | 1,010,000 mm³ | 61.634 in³ |
| Plastic modulus, Zₓ | 1,280,000 mm³ | 78.1104 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 | 42,300,000 mm⁴ | 101.6262 in⁴ |
| Elastic modulus, S_y | 564,000 mm³ | 34.4174 in³ |
| Plastic modulus, Z_y | 636,000 mm³ | 38.8111 in³ |
| Radius of gyration, r_y | 63.5 mm | 2.5 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 115,000,000 mm⁴ | 276.2886 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 82.4 kg/m | 55.3702 lb/ft |