RHS 450×150×16
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 | 450 mm | 17.7165 in |
| Width | 150 mm | 5.9055 in |
| Thickness, t | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 406,000,000 mm⁴ | 975.4189 in⁴ |
| Elastic modulus, Sₓ | 1,810,000 mm³ | 110.453 in³ |
| Plastic modulus, Zₓ | 2,380,000 mm³ | 145.2365 in³ |
| Radius of gyration, rₓ | 151 mm | 5.9449 in |
| Distance to top fibre | 225 mm | 8.8583 in |
| Distance to bottom fibre | 225 mm | 8.8583 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 67,600,000 mm⁴ | 162.4097 in⁴ |
| Elastic modulus, S_y | 901,000 mm³ | 54.9824 in³ |
| Plastic modulus, Z_y | 1,050,000 mm³ | 64.0749 in³ |
| Radius of gyration, r_y | 61.5 mm | 2.4213 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 196,000,000 mm⁴ | 470.8919 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 141 kg/m | 94.7476 lb/ft |