HSS 20x8x3/4
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X203.2X19.0.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 203 mm | 8 in |
| Design wall thickness | 17.7 mm | 0.698 in |
| Nominal wall thickness | 19.1 mm | 0.75 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 695,000,000 mm⁴ | 1,670 in⁴ |
| Elastic modulus, Sₓ | 2,740,000 mm³ | 167 in³ |
| Plastic modulus, Zₓ | 3,540,000 mm³ | 216 in³ |
| Radius of gyration, rₓ | 173 mm | 6.82 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 | 161,000,000 mm⁴ | 388 in⁴ |
| Elastic modulus, S_y | 1,590,000 mm³ | 97.1 in³ |
| Plastic modulus, Z_y | 1,840,000 mm³ | 112 in³ |
| Radius of gyration, r_y | 83.6 mm | 3.29 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 441,000,000 mm⁴ | 1,060 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 194 kg/m | 130.33 lb/ft |