HS305×305×7.9
Square HSS from CISC Structural Section Tables SST12.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 304.8 mm | 12 in |
| Width | 304.8 mm | 12 in |
| Design wall thickness | 7.94 mm | 0.312598 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 135,000,000 mm⁴ | 324.3388 in⁴ |
| Elastic modulus, Sₓ | 885,000 mm³ | 54.006 in³ |
| Plastic modulus, Zₓ | 1,030,000 mm³ | 62.8545 in³ |
| Radius of gyration, rₓ | 121 mm | 4.7638 in |
| Distance to top fibre | 152.4 mm | 6 in |
| Distance to bottom fibre | 152.4 mm | 6 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 135,000,000 mm⁴ | 324.3388 in⁴ |
| Elastic modulus, S_y | 885,000 mm³ | 54.006 in³ |
| Plastic modulus, Z_y | 1,030,000 mm³ | 62.8545 in³ |
| Radius of gyration, r_y | 121 mm | 4.7638 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 211,000,000 mm⁴ | 506.9295 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 72.7 kg/m | 48.9 lb/ft |