HSS 6.625x0.250
Round HSS from AISC Shapes Database v16.0. Also designated HSS168.3X6.4.
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 | 168 mm | 6.63 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 9,950,000 mm⁴ | 23.9 in⁴ |
| Elastic modulus, Sₓ | 118,000 mm³ | 7.22 in³ |
| Plastic modulus, Zₓ | 156,000 mm³ | 9.52 in³ |
| Radius of gyration, rₓ | 57.4 mm | 2.26 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 | 9,950,000 mm⁴ | 23.9 in⁴ |
| Elastic modulus, S_y | 118,000 mm³ | 7.22 in³ |
| Plastic modulus, Z_y | 156,000 mm³ | 9.52 in³ |
| Radius of gyration, r_y | 57.4 mm | 2.26 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 19,900,000 mm⁴ | 47.9 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 25.4 kg/m | 17.04 lb/ft |