RHS 300×100×16
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 | 300 mm | 11.811 in |
| Width | 100 mm | 3.937 in |
| Thickness, t | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 109,000,000 mm⁴ | 261.8735 in⁴ |
| Elastic modulus, Sₓ | 729,000 mm³ | 44.4863 in³ |
| Plastic modulus, Zₓ | 986,000 mm³ | 60.1694 in³ |
| Radius of gyration, rₓ | 97.5 mm | 3.8386 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 17,200,000 mm⁴ | 41.3232 in⁴ |
| Elastic modulus, S_y | 344,000 mm³ | 20.9922 in³ |
| Plastic modulus, Z_y | 425,000 mm³ | 25.9351 in³ |
| Radius of gyration, r_y | 38.7 mm | 1.5236 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 51,400,000 mm⁴ | 123.489 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 90.3 kg/m | 60.6788 lb/ft |