20×1.6 SHS
Square 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 | 20 mm | 0.787402 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 | 6,080 mm⁴ | 0.014607 in⁴ |
| Elastic modulus, Sₓ | 608 mm³ | 0.037102 in³ |
| Plastic modulus, Zₓ | 751 mm³ | 0.045829 in³ |
| Radius of gyration, rₓ | 7.401 mm | 0.291378 in |
| Distance to top fibre | 10 mm | 0.393701 in |
| Distance to bottom fibre | 10 mm | 0.393701 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 6,080 mm⁴ | 0.014607 in⁴ |
| Elastic modulus, S_y | 608 mm³ | 0.037102 in³ |
| Plastic modulus, Z_y | 751 mm³ | 0.045829 in³ |
| Radius of gyration, r_y | 7.401 mm | 0.291378 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 10,300 mm⁴ | 0.024746 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 0.87135 kg/m | 0.58552 lb/ft |