HS508×305×25
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 | 25.4 mm | 1 in |
| Nominal wall thickness | 25.4 mm | 1 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.20000e+9 mm⁴ | 2,883.012 in⁴ |
| Elastic modulus, Sₓ | 4,740,000 mm³ | 289.2525 in³ |
| Plastic modulus, Zₓ | 5,980,000 mm³ | 364.922 in³ |
| Radius of gyration, rₓ | 180 mm | 7.0866 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 | 538,000,000 mm⁴ | 1,292.55 in⁴ |
| Elastic modulus, S_y | 3,530,000 mm³ | 215.4138 in³ |
| Plastic modulus, Z_y | 4,180,000 mm³ | 255.0793 in³ |
| Radius of gyration, r_y | 121 mm | 4.7638 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.24000e+9 mm⁴ | 2,979.112 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 291 kg/m | 195 lb/ft |