HA508×305×19
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 | 17.15 mm | 0.675197 in |
| Nominal wall thickness | 19.05 mm | 0.75 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 886,000,000 mm⁴ | 2,128.624 in⁴ |
| Elastic modulus, Sₓ | 3,490,000 mm³ | 212.9729 in³ |
| Plastic modulus, Zₓ | 4,300,000 mm³ | 262.4021 in³ |
| Radius of gyration, rₓ | 185 mm | 7.2835 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 | 401,000,000 mm⁴ | 963.4064 in⁴ |
| Elastic modulus, S_y | 2,630,000 mm³ | 160.4924 in³ |
| Plastic modulus, Z_y | 3,020,000 mm³ | 184.2917 in³ |
| Radius of gyration, r_y | 124 mm | 4.8819 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 896,000,000 mm⁴ | 2,152.649 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 224 kg/m | 151 lb/ft |