HA305×152×7.9
Rectangular 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 | 152.4 mm | 6 in |
| Design wall thickness | 7.15 mm | 0.281496 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 74,500,000 mm⁴ | 178.987 in⁴ |
| Elastic modulus, Sₓ | 489,000 mm³ | 29.8406 in³ |
| Plastic modulus, Zₓ | 606,000 mm³ | 36.9804 in³ |
| Radius of gyration, rₓ | 110 mm | 4.3307 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 | 25,400,000 mm⁴ | 61.0237 in⁴ |
| Elastic modulus, S_y | 333,000 mm³ | 20.3209 in³ |
| Plastic modulus, Z_y | 375,000 mm³ | 22.8839 in³ |
| Radius of gyration, r_y | 64 mm | 2.5197 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 61,300,000 mm⁴ | 147.2738 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 53.7 kg/m | 36.2 lb/ft |