HSS 7x7x1/4
Square HSS from AISC Shapes Database v16.0. Also designated HSS177.8X177.8X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 178 mm | 7 in |
| Width | 178 mm | 7 in |
| Design wall thickness | 5.92 mm | 0.233 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 19,400,000 mm⁴ | 46.5 in⁴ |
| Elastic modulus, Sₓ | 218,000 mm³ | 13.3 in³ |
| Plastic modulus, Zₓ | 254,000 mm³ | 15.5 in³ |
| Radius of gyration, rₓ | 69.9 mm | 2.75 in |
| Distance to top fibre | 89 mm | 3.5 in |
| Distance to bottom fibre | 89 mm | 3.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 19,400,000 mm⁴ | 46.5 in⁴ |
| Elastic modulus, S_y | 218,000 mm³ | 13.3 in³ |
| Plastic modulus, Z_y | 254,000 mm³ | 15.5 in³ |
| Radius of gyration, r_y | 69.9 mm | 2.75 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 30,600,000 mm⁴ | 73.5 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 33.3 kg/m | 22.42 lb/ft |