RHS 100×50×5
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 | 5 mm | 0.19685 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,670,000 mm⁴ | 4.0122 in⁴ |
| Elastic modulus, Sₓ | 33,300 mm³ | 2.0321 in³ |
| Plastic modulus, Zₓ | 42,600 mm³ | 2.5996 in³ |
| Radius of gyration, rₓ | 34.8 mm | 1.3701 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 | 543,000 mm⁴ | 1.3046 in⁴ |
| Elastic modulus, S_y | 21,700 mm³ | 1.3242 in³ |
| Plastic modulus, Z_y | 25,800 mm³ | 1.5744 in³ |
| Radius of gyration, r_y | 19.9 mm | 0.783465 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,350,000 mm⁴ | 3.2434 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 10.8 kg/m | 7.2573 lb/ft |