HA508×305×25
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 | 508 mm | 20 in |
| Width | 304.8 mm | 12 in |
| Design wall thickness | 22.86 mm | 0.9 in |
| Nominal wall thickness | 25.4 mm | 1 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.11000e+9 mm⁴ | 2,666.786 in⁴ |
| Elastic modulus, Sₓ | 4,380,000 mm³ | 267.284 in³ |
| Plastic modulus, Zₓ | 5,490,000 mm³ | 335.0204 in³ |
| Radius of gyration, rₓ | 182 mm | 7.1654 in |
| Distance to top fibre | 254 mm | 10 in |
| Distance to bottom fibre | 254 mm | 10 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 499,000,000 mm⁴ | 1,198.852 in⁴ |
| Elastic modulus, S_y | 3,280,000 mm³ | 200.1579 in³ |
| Plastic modulus, Z_y | 3,840,000 mm³ | 234.3312 in³ |
| Radius of gyration, r_y | 122 mm | 4.8032 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.14000e+9 mm⁴ | 2,738.861 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 291 kg/m | 195 lb/ft |