HA305×203×6.4
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 | 5.72 mm | 0.225197 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 74,100,000 mm⁴ | 178.026 in⁴ |
| Elastic modulus, Sₓ | 486,000 mm³ | 29.6575 in³ |
| Plastic modulus, Zₓ | 581,000 mm³ | 35.4548 in³ |
| Radius of gyration, rₓ | 115 mm | 4.5276 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 | 39,900,000 mm⁴ | 95.8601 in⁴ |
| Elastic modulus, S_y | 392,000 mm³ | 23.9213 in³ |
| Plastic modulus, Z_y | 441,000 mm³ | 26.9115 in³ |
| Radius of gyration, r_y | 84.4 mm | 3.3228 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 81,400,000 mm⁴ | 195.5643 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 48.6 kg/m | 32.6 lb/ft |