RHS 200×150×8
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 | 150 mm | 5.9055 in |
| Thickness, t | 8 mm | 0.314961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 29,700,000 mm⁴ | 71.3545 in⁴ |
| Elastic modulus, Sₓ | 297,000 mm³ | 18.1241 in³ |
| Plastic modulus, Zₓ | 359,000 mm³ | 21.9075 in³ |
| Radius of gyration, rₓ | 75 mm | 2.9528 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 | 18,900,000 mm⁴ | 45.4074 in⁴ |
| Elastic modulus, S_y | 253,000 mm³ | 15.439 in³ |
| Plastic modulus, Z_y | 294,000 mm³ | 17.941 in³ |
| Radius of gyration, r_y | 59.9 mm | 2.3583 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 36,400,000 mm⁴ | 87.4514 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 41.4 kg/m | 27.8195 lb/ft |