HSS 6.625x0.280
Round HSS from AISC Shapes Database v16.0. Also designated HSS168.3X7.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 6.6 mm | 0.26 in |
| Nominal wall thickness | 7.11 mm | 0.28 in |
| Outside diameter | 168 mm | 6.63 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 11,000,000 mm⁴ | 26.4 in⁴ |
| Elastic modulus, Sₓ | 130,000 mm³ | 7.96 in³ |
| Plastic modulus, Zₓ | 172,000 mm³ | 10.5 in³ |
| Radius of gyration, rₓ | 57.2 mm | 2.25 in |
| Distance to top fibre | 84 mm | 3.315 in |
| Distance to bottom fibre | 84 mm | 3.315 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 11,000,000 mm⁴ | 26.4 in⁴ |
| Elastic modulus, S_y | 130,000 mm³ | 7.96 in³ |
| Plastic modulus, Z_y | 172,000 mm³ | 10.5 in³ |
| Radius of gyration, r_y | 57.2 mm | 2.25 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 21,900,000 mm⁴ | 52.7 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 28.3 kg/m | 18.99 lb/ft |