RHS 500×200×16
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 | 500 mm | 19.685 in |
| Width | 200 mm | 7.874 in |
| Thickness, t | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 630,000,000 mm⁴ | 1,513.581 in⁴ |
| Elastic modulus, Sₓ | 2,520,000 mm³ | 153.7798 in³ |
| Plastic modulus, Zₓ | 3,230,000 mm³ | 197.1067 in³ |
| Radius of gyration, rₓ | 173 mm | 6.811 in |
| Distance to top fibre | 250 mm | 9.8425 in |
| Distance to bottom fibre | 250 mm | 9.8425 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 145,000,000 mm⁴ | 348.3639 in⁴ |
| Elastic modulus, S_y | 1,450,000 mm³ | 88.4844 in³ |
| Plastic modulus, Z_y | 1,670,000 mm³ | 101.9097 in³ |
| Radius of gyration, r_y | 83 mm | 3.2677 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 389,000,000 mm⁴ | 934.5762 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 166 kg/m | 111.5469 lb/ft |