RHS 100×50×3.2
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 | 100 mm | 3.937 in |
| Width | 50 mm | 1.9685 in |
| Thickness, t | 3.2 mm | 0.125984 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,160,000 mm⁴ | 2.7869 in⁴ |
| Elastic modulus, Sₓ | 23,200 mm³ | 1.4158 in³ |
| Plastic modulus, Zₓ | 28,900 mm³ | 1.7636 in³ |
| Radius of gyration, rₓ | 35.7 mm | 1.4055 in |
| Distance to top fibre | 50 mm | 1.9685 in |
| Distance to bottom fibre | 50 mm | 1.9685 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 388,000 mm⁴ | 0.932174 in⁴ |
| Elastic modulus, S_y | 15,500 mm³ | 0.945868 in³ |
| Plastic modulus, Z_y | 17,700 mm³ | 1.0801 in³ |
| Radius of gyration, r_y | 20.7 mm | 0.814961 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 934,000 mm⁴ | 2.2439 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 7.13 kg/m | 4.7911 lb/ft |