HSS 20x20x5/16
Square HSS from AISC Shapes Database v16.0. Also designated HSS508X508X7.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 508 mm | 20 in |
| Design wall thickness | 7.39 mm | 0.291 in |
| Nominal wall thickness | 7.95 mm | 0.3125 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 608,000,000 mm⁴ | 1,460 in⁴ |
| Elastic modulus, Sₓ | 2,390,000 mm³ | 146 in³ |
| Plastic modulus, Zₓ | 2,740,000 mm³ | 167 in³ |
| Radius of gyration, rₓ | 204 mm | 8.03 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 | 608,000,000 mm⁴ | 1,460 in⁴ |
| Elastic modulus, S_y | 2,390,000 mm³ | 146 in³ |
| Plastic modulus, Z_y | 2,740,000 mm³ | 167 in³ |
| Radius of gyration, r_y | 204 mm | 8.03 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 937,000,000 mm⁴ | 2,250 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 123 kg/m | 82.88 lb/ft |