RHS 100×60×4
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 | 60 mm | 2.3622 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,580,000 mm⁴ | 3.796 in⁴ |
| Elastic modulus, Sₓ | 31,600 mm³ | 1.9284 in³ |
| Plastic modulus, Zₓ | 39,100 mm³ | 2.386 in³ |
| Radius of gyration, rₓ | 36.3 mm | 1.4291 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 | 705,000 mm⁴ | 1.6938 in⁴ |
| Elastic modulus, S_y | 23,500 mm³ | 1.4341 in³ |
| Plastic modulus, Z_y | 27,300 mm³ | 1.6659 in³ |
| Radius of gyration, r_y | 24.3 mm | 0.956693 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,560,000 mm⁴ | 3.7479 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 9.41 kg/m | 6.3232 lb/ft |