RHS 300×200×5.6
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 | 300 mm | 11.811 in |
| Width | 200 mm | 7.874 in |
| Thickness, t | 5.6 mm | 0.220472 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 70,200,000 mm⁴ | 168.6562 in⁴ |
| Elastic modulus, Sₓ | 468,000 mm³ | 28.5591 in³ |
| Plastic modulus, Zₓ | 558,000 mm³ | 34.0512 in³ |
| Radius of gyration, rₓ | 114 mm | 4.4882 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 37,700,000 mm⁴ | 90.5746 in⁴ |
| Elastic modulus, S_y | 377,000 mm³ | 23.006 in³ |
| Plastic modulus, Z_y | 423,000 mm³ | 25.813 in³ |
| Radius of gyration, r_y | 83.2 mm | 3.2756 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 75,900,000 mm⁴ | 182.3505 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 42.7 kg/m | 28.6931 lb/ft |