HSS 20x20x1/2
Square HSS from AISC Shapes Database v16.0. Also designated HSS508X508X12.7.
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 | 11.8 mm | 0.465 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 941,000,000 mm⁴ | 2,260 in⁴ |
| Elastic modulus, Sₓ | 3,700,000 mm³ | 226 in³ |
| Plastic modulus, Zₓ | 4,280,000 mm³ | 261 in³ |
| Radius of gyration, rₓ | 202 mm | 7.95 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 | 941,000,000 mm⁴ | 2,260 in⁴ |
| Elastic modulus, S_y | 3,700,000 mm³ | 226 in³ |
| Plastic modulus, Z_y | 4,280,000 mm³ | 261 in³ |
| Radius of gyration, r_y | 202 mm | 7.95 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.46000e+9 mm⁴ | 3,510 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 194 kg/m | 130.52 lb/ft |