HA305×203×7.9
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 | 203.2 mm | 8 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 | 90,600,000 mm⁴ | 217.6674 in⁴ |
| Elastic modulus, Sₓ | 594,000 mm³ | 36.2481 in³ |
| Plastic modulus, Zₓ | 714,000 mm³ | 43.571 in³ |
| Radius of gyration, rₓ | 114 mm | 4.4882 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 | 48,600,000 mm⁴ | 116.762 in⁴ |
| Elastic modulus, S_y | 478,000 mm³ | 29.1694 in³ |
| Plastic modulus, Z_y | 542,000 mm³ | 33.0749 in³ |
| Radius of gyration, r_y | 83.8 mm | 3.2992 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 100,000,000 mm⁴ | 240.251 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 60.1 kg/m | 40.4 lb/ft |