HSS 6.625x0.312
Round HSS from AISC Shapes Database v16.0. Also designated HSS168.3X7.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 7.39 mm | 0.291 in |
| Nominal wall thickness | 7.94 mm | 0.312 in |
| Outside diameter | 168 mm | 6.63 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 12,100,000 mm⁴ | 29.1 in⁴ |
| Elastic modulus, Sₓ | 144,000 mm³ | 8.79 in³ |
| Plastic modulus, Zₓ | 192,000 mm³ | 11.7 in³ |
| Radius of gyration, rₓ | 56.9 mm | 2.24 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 | 12,100,000 mm⁴ | 29.1 in⁴ |
| Elastic modulus, S_y | 144,000 mm³ | 8.79 in³ |
| Plastic modulus, Z_y | 192,000 mm³ | 11.7 in³ |
| Radius of gyration, r_y | 56.9 mm | 2.24 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 24,200,000 mm⁴ | 58.2 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 31.3 kg/m | 21.06 lb/ft |