RHS 60×40×4
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 | 60 mm | 2.3622 in |
| Width | 40 mm | 1.5748 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 328,000 mm⁴ | 0.788023 in⁴ |
| Elastic modulus, Sₓ | 10,900 mm³ | 0.665159 in³ |
| Plastic modulus, Zₓ | 13,800 mm³ | 0.842128 in³ |
| Radius of gyration, rₓ | 21.4 mm | 0.84252 in |
| Distance to top fibre | 30 mm | 1.1811 in |
| Distance to bottom fibre | 30 mm | 1.1811 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 170,000 mm⁴ | 0.408427 in⁴ |
| Elastic modulus, S_y | 8,520 mm³ | 0.519922 in³ |
| Plastic modulus, Z_y | 10,300 mm³ | 0.628545 in³ |
| Radius of gyration, r_y | 15.4 mm | 0.606299 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 367,000 mm⁴ | 0.881721 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 5.64 kg/m | 3.7899 lb/ft |