76×4.5 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 | 4.5 mm | 0.177165 in |
| Outside diameter | 76.1 mm | 2.9961 in |
| Inside diameter | 67.1 mm | 2.6417 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 651,000 mm⁴ | 1.564 in⁴ |
| Elastic modulus, Sₓ | 17,109.067 mm³ | 1.0441 in³ |
| Plastic modulus, Zₓ | 23,100 mm³ | 1.4096 in³ |
| Radius of gyration, rₓ | 25.3881 mm | 0.999531 in |
| Distance to top fibre | 38.05 mm | 1.498 in |
| Distance to bottom fibre | 38.05 mm | 1.498 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 651,000 mm⁴ | 1.564 in⁴ |
| Elastic modulus, S_y | 17,109.067 mm³ | 1.0441 in³ |
| Plastic modulus, Z_y | 23,100 mm³ | 1.4096 in³ |
| Radius of gyration, r_y | 25.3881 mm | 0.999531 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,300,000 mm⁴ | 3.1233 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 7.9285 kg/m | 5.3277 lb/ft |