RHS 300×200×8.8
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 | 8.8 mm | 0.346457 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 106,000,000 mm⁴ | 254.666 in⁴ |
| Elastic modulus, Sₓ | 705,000 mm³ | 43.0217 in³ |
| Plastic modulus, Zₓ | 851,000 mm³ | 51.9312 in³ |
| Radius of gyration, rₓ | 112 mm | 4.4094 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 | 56,300,000 mm⁴ | 135.2613 in⁴ |
| Elastic modulus, S_y | 563,000 mm³ | 34.3564 in³ |
| Plastic modulus, Z_y | 643,000 mm³ | 39.2383 in³ |
| Radius of gyration, r_y | 81.8 mm | 3.2205 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 115,000,000 mm⁴ | 276.2886 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 66 kg/m | 44.35 lb/ft |