50×20×3.0 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 | 3 mm | 0.11811 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 95,100 mm⁴ | 0.228479 in⁴ |
| Elastic modulus, Sₓ | 3,804 mm³ | 0.232134 in³ |
| Plastic modulus, Zₓ | 5,160 mm³ | 0.314883 in³ |
| Radius of gyration, rₓ | 16.2307 mm | 0.639003 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 | 21,200 mm⁴ | 0.050933 in⁴ |
| Elastic modulus, S_y | 2,120 mm³ | 0.12937 in³ |
| Plastic modulus, Z_y | 2,630 mm³ | 0.160492 in³ |
| Radius of gyration, r_y | 7.6633 mm | 0.301704 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 62,000 mm⁴ | 0.148956 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 2.8339 kg/m | 1.9043 lb/ft |