42×4.9 CHS
Circular 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 |
|---|---|---|
| Thickness, t | 4.9 mm | 0.192913 in |
| Outside diameter | 42.4 mm | 1.6693 in |
| Inside diameter | 32.6 mm | 1.2835 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 103,000 mm⁴ | 0.247458 in⁴ |
| Elastic modulus, Sₓ | 4,858.491 mm³ | 0.296483 in³ |
| Plastic modulus, Zₓ | 6,930 mm³ | 0.422895 in³ |
| Radius of gyration, rₓ | 13.3607 mm | 0.526014 in |
| Distance to top fibre | 21.2 mm | 0.8346455 in |
| Distance to bottom fibre | 21.2 mm | 0.8346455 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 103,000 mm⁴ | 0.247458 in⁴ |
| Elastic modulus, S_y | 4,858.491 mm³ | 0.296483 in³ |
| Plastic modulus, Z_y | 6,930 mm³ | 0.422895 in³ |
| Radius of gyration, r_y | 13.3607 mm | 0.526014 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 206,000 mm⁴ | 0.494917 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 4.5295 kg/m | 3.0437 lb/ft |