RHS 300×250×12.5
Rectangular hollow sections from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 300 mm | 11.811 in |
| Width | 250 mm | 9.8425 in |
| Thickness, t | 12.5 mm | 0.492126 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 169,000,000 mm⁴ | 406.0241 in⁴ |
| Elastic modulus, Sₓ | 1,120,000 mm³ | 68.3466 in³ |
| Plastic modulus, Zₓ | 1,340,000 mm³ | 81.7718 in³ |
| Radius of gyration, rₓ | 114 mm | 4.4882 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 | 127,000,000 mm⁴ | 305.1187 in⁴ |
| Elastic modulus, S_y | 1,010,000 mm³ | 61.634 in³ |
| Plastic modulus, Z_y | 1,180,000 mm³ | 72.008 in³ |
| Radius of gyration, r_y | 98.9 mm | 3.8937 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 227,000,000 mm⁴ | 545.3697 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 102 kg/m | 68.5408 lb/ft |