HA73×3.2
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 | 2.86 mm | 0.112598 in |
| Nominal wall thickness | 3.18 mm | 0.125197 in |
| Outside diameter | 73 mm | 2.874 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 388,000 mm⁴ | 0.932174 in⁴ |
| Elastic modulus, Sₓ | 10,600 mm³ | 0.646852 in³ |
| Plastic modulus, Zₓ | 14,100 mm³ | 0.860435 in³ |
| Radius of gyration, rₓ | 24.8 mm | 0.976378 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 | 388,000 mm⁴ | 0.932174 in⁴ |
| Elastic modulus, S_y | 10,600 mm³ | 0.646852 in³ |
| Plastic modulus, Z_y | 14,100 mm³ | 0.860435 in³ |
| Radius of gyration, r_y | 24.8 mm | 0.976378 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 776,000 mm⁴ | 1.8643 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 5.48 kg/m | 3.68 lb/ft |