RHS 300×200×8
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 | 300 mm | 11.811 in |
| Width | 200 mm | 7.874 in |
| Thickness, t | 8 mm | 0.314961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 97,200,000 mm⁴ | 233.5239 in⁴ |
| Elastic modulus, Sₓ | 648,000 mm³ | 39.5434 in³ |
| Plastic modulus, Zₓ | 779,000 mm³ | 47.5375 in³ |
| Radius of gyration, rₓ | 113 mm | 4.4488 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 51,800,000 mm⁴ | 124.45 in⁴ |
| Elastic modulus, S_y | 518,000 mm³ | 31.6103 in³ |
| Plastic modulus, Z_y | 589,000 mm³ | 35.943 in³ |
| Radius of gyration, r_y | 82.2 mm | 3.2362 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 106,000,000 mm⁴ | 254.666 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 60.3 kg/m | 40.5197 lb/ft |