RHS 200×100×8
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 | 100 mm | 3.937 in |
| Thickness, t | 8 mm | 0.314961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 22,300,000 mm⁴ | 53.576 in⁴ |
| Elastic modulus, Sₓ | 223,000 mm³ | 13.6083 in³ |
| Plastic modulus, Zₓ | 282,000 mm³ | 17.2087 in³ |
| Radius of gyration, rₓ | 70.6 mm | 2.7795 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 | 7,390,000 mm⁴ | 17.7545 in⁴ |
| Elastic modulus, S_y | 148,000 mm³ | 9.0315 in³ |
| Plastic modulus, Z_y | 172,000 mm³ | 10.4961 in³ |
| Radius of gyration, r_y | 40.6 mm | 1.5984 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 18,000,000 mm⁴ | 43.2452 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 35.1 kg/m | 23.5861 lb/ft |