HSS 12.750x0.250
Round HSS from AISC Shapes Database v16.0. Also designated HSS323.9X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 5.92 mm | 0.233 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
| Outside diameter | 324 mm | 12.8 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 74,900,000 mm⁴ | 180 in⁴ |
| Elastic modulus, Sₓ | 462,000 mm³ | 28.2 in³ |
| Plastic modulus, Zₓ | 598,000 mm³ | 36.5 in³ |
| Radius of gyration, rₓ | 113 mm | 4.43 in |
| Distance to top fibre | 162 mm | 6.4 in |
| Distance to bottom fibre | 162 mm | 6.4 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 74,900,000 mm⁴ | 180 in⁴ |
| Elastic modulus, S_y | 462,000 mm³ | 28.2 in³ |
| Plastic modulus, Z_y | 598,000 mm³ | 36.5 in³ |
| Radius of gyration, r_y | 113 mm | 4.43 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 149,000,000 mm⁴ | 359 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 49.7 kg/m | 33.41 lb/ft |