RHS 100×50×3.6
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 | 3.6 mm | 0.141732 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,280,000 mm⁴ | 3.0752 in⁴ |
| Elastic modulus, Sₓ | 25,600 mm³ | 1.5622 in³ |
| Plastic modulus, Zₓ | 32,100 mm³ | 1.9589 in³ |
| Radius of gyration, rₓ | 35.5 mm | 1.3976 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 | 426,000 mm⁴ | 1.0235 in⁴ |
| Elastic modulus, S_y | 17,000 mm³ | 1.0374 in³ |
| Plastic modulus, Z_y | 19,600 mm³ | 1.1961 in³ |
| Radius of gyration, r_y | 20.5 mm | 0.807087 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,030,000 mm⁴ | 2.4746 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 7.96 kg/m | 5.3489 lb/ft |