50×20×2.8 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 | 2.8 mm | 0.110236 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 91,200 mm⁴ | 0.219109 in⁴ |
| Elastic modulus, Sₓ | 3,648 mm³ | 0.222615 in³ |
| Plastic modulus, Zₓ | 4,910 mm³ | 0.299627 in³ |
| Radius of gyration, rₓ | 16.3779 mm | 0.644799 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 | 20,500 mm⁴ | 0.049251 in⁴ |
| Elastic modulus, S_y | 2,050 mm³ | 0.125099 in³ |
| Plastic modulus, Z_y | 2,510 mm³ | 0.15317 in³ |
| Radius of gyration, r_y | 7.7649 mm | 0.305706 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 59,400 mm⁴ | 0.142709 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 2.669 kg/m | 1.7935 lb/ft |