HA73×4.8
Round HSS from CISC Structural Section Tables SST12.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 4.3 mm | 0.169291 in |
| Nominal wall thickness | 4.78 mm | 0.188189 in |
| Outside diameter | 73 mm | 2.874 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 550,000 mm⁴ | 1.3214 in⁴ |
| Elastic modulus, Sₓ | 15,100 mm³ | 0.921459 in³ |
| Plastic modulus, Zₓ | 20,300 mm³ | 1.2388 in³ |
| Radius of gyration, rₓ | 24.3 mm | 0.956693 in |
| Distance to top fibre | 36.5 mm | 1.437 in |
| Distance to bottom fibre | 36.5 mm | 1.437 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 550,000 mm⁴ | 1.3214 in⁴ |
| Elastic modulus, S_y | 15,100 mm³ | 0.921459 in³ |
| Plastic modulus, Z_y | 20,300 mm³ | 1.2388 in³ |
| Radius of gyration, r_y | 24.3 mm | 0.956693 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,100,000 mm⁴ | 2.6428 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 8.04 kg/m | 5.4 lb/ft |