RHS 200×120×5.6
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 | 200 mm | 7.874 in |
| Width | 120 mm | 4.7244 in |
| Thickness, t | 5.6 mm | 0.220472 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 18,600,000 mm⁴ | 44.6867 in⁴ |
| Elastic modulus, Sₓ | 186,000 mm³ | 11.3504 in³ |
| Plastic modulus, Zₓ | 227,000 mm³ | 13.8524 in³ |
| Radius of gyration, rₓ | 73.8 mm | 2.9055 in |
| Distance to top fibre | 100 mm | 3.937 in |
| Distance to bottom fibre | 100 mm | 3.937 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 8,410,000 mm⁴ | 20.2051 in⁴ |
| Elastic modulus, S_y | 140,000 mm³ | 8.5433 in³ |
| Plastic modulus, Z_y | 159,000 mm³ | 9.7028 in³ |
| Radius of gyration, r_y | 49.5 mm | 1.9488 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 18,300,000 mm⁴ | 43.9659 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 26.9 kg/m | 18.076 lb/ft |