HSS 12.750x0.188
Round HSS from AISC Shapes Database v16.0. Also designated HSS323.9X4.8.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 4.42 mm | 0.174 in |
| Nominal wall thickness | 4.78 mm | 0.188 in |
| Outside diameter | 324 mm | 12.8 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 56,600,000 mm⁴ | 136 in⁴ |
| Elastic modulus, Sₓ | 351,000 mm³ | 21.4 in³ |
| Plastic modulus, Zₓ | 452,000 mm³ | 27.6 in³ |
| Radius of gyration, rₓ | 113 mm | 4.45 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 | 56,600,000 mm⁴ | 136 in⁴ |
| Elastic modulus, S_y | 351,000 mm³ | 21.4 in³ |
| Plastic modulus, Z_y | 452,000 mm³ | 27.6 in³ |
| Radius of gyration, r_y | 113 mm | 4.45 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 113,000,000 mm⁴ | 272 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 37.5 kg/m | 25.18 lb/ft |