RHS 200×120×11
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 | 11 mm | 0.433071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 32,600,000 mm⁴ | 78.3218 in⁴ |
| Elastic modulus, Sₓ | 326,000 mm³ | 19.8937 in³ |
| Plastic modulus, Zₓ | 410,000 mm³ | 25.0197 in³ |
| Radius of gyration, rₓ | 71.2 mm | 2.8032 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 | 14,300,000 mm⁴ | 34.3559 in⁴ |
| Elastic modulus, S_y | 239,000 mm³ | 14.5847 in³ |
| Plastic modulus, Z_y | 284,000 mm³ | 17.3307 in³ |
| Radius of gyration, r_y | 47.2 mm | 1.8583 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 32,400,000 mm⁴ | 77.8413 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 50.4 kg/m | 33.8672 lb/ft |