50×20×2.5 RHS
Rectangular hollow sections from Australian-Sections.xlsx (Sheets 1-19).
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 50 mm | 1.9685 in |
| Width | 20 mm | 0.787402 in |
| Thickness, t | 2.5 mm | 0.098425 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 84,800 mm⁴ | 0.203733 in⁴ |
| Elastic modulus, Sₓ | 3,392 mm³ | 0.206993 in³ |
| Plastic modulus, Zₓ | 4,510 mm³ | 0.275217 in³ |
| Radius of gyration, rₓ | 16.566 mm | 0.652206 in |
| Distance to top fibre | 25 mm | 0.984252 in |
| Distance to bottom fibre | 25 mm | 0.984252 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 19,200 mm⁴ | 0.046128 in⁴ |
| Elastic modulus, S_y | 1,920 mm³ | 0.117166 in³ |
| Plastic modulus, Z_y | 2,320 mm³ | 0.141575 in³ |
| Radius of gyration, r_y | 7.8826 mm | 0.31034 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 55,000 mm⁴ | 0.132138 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 2.4257 kg/m | 1.63 lb/ft |