RHS 350×150×16
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 | 350 mm | 13.7795 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 | 211,000,000 mm⁴ | 506.9295 in⁴ |
| Elastic modulus, Sₓ | 1,200,000 mm³ | 73.2285 in³ |
| Plastic modulus, Zₓ | 1,560,000 mm³ | 95.197 in³ |
| Radius of gyration, rₓ | 120 mm | 4.7244 in |
| Distance to top fibre | 175 mm | 6.8898 in |
| Distance to bottom fibre | 175 mm | 6.8898 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 53,200,000 mm⁴ | 127.8135 in⁴ |
| Elastic modulus, S_y | 709,000 mm³ | 43.2658 in³ |
| Plastic modulus, Z_y | 840,000 mm³ | 51.2599 in³ |
| Radius of gyration, r_y | 60.1 mm | 2.3661 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 141,000,000 mm⁴ | 338.7539 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 115 kg/m | 77.2764 lb/ft |