RHS 180×60×6.3
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 | 180 mm | 7.0866 in |
| Width | 60 mm | 2.3622 in |
| Thickness, t | 6.3 mm | 0.248031 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 10,300,000 mm⁴ | 24.7458 in⁴ |
| Elastic modulus, Sₓ | 114,000 mm³ | 6.9567 in³ |
| Plastic modulus, Zₓ | 150,000 mm³ | 9.1536 in³ |
| Radius of gyration, rₓ | 60.3 mm | 2.374 in |
| Distance to top fibre | 90 mm | 3.5433 in |
| Distance to bottom fibre | 90 mm | 3.5433 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,710,000 mm⁴ | 4.1083 in⁴ |
| Elastic modulus, S_y | 57,000 mm³ | 3.4784 in³ |
| Plastic modulus, Z_y | 66,600 mm³ | 4.0642 in³ |
| Radius of gyration, r_y | 24.6 mm | 0.968504 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 4,950,000 mm⁴ | 11.8924 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 22.2 kg/m | 14.9177 lb/ft |