50×20×1.6 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 | 1.6 mm | 0.062992 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 60,800 mm⁴ | 0.146073 in⁴ |
| Elastic modulus, Sₓ | 2,432 mm³ | 0.14841 in³ |
| Plastic modulus, Zₓ | 3,140 mm³ | 0.191615 in³ |
| Radius of gyration, rₓ | 17.1383 mm | 0.674734 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 | 14,200 mm⁴ | 0.034116 in⁴ |
| Elastic modulus, S_y | 1,420 mm³ | 0.086654 in³ |
| Plastic modulus, Z_y | 1,630 mm³ | 0.099469 in³ |
| Radius of gyration, r_y | 8.2825 mm | 0.326081 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 38,900 mm⁴ | 0.093458 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 1.625 kg/m | 1.0919 lb/ft |