HSS 20x20x7/8
Square HSS from AISC Shapes Database v16.0. Also designated HSS508X508X22.2.
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 | 20.7 mm | 0.814 in |
| Nominal wall thickness | 22.2 mm | 0.875 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.53000e+9 mm⁴ | 3,670 in⁴ |
| Elastic modulus, Sₓ | 6,020,000 mm³ | 367 in³ |
| Plastic modulus, Zₓ | 7,100,000 mm³ | 433 in³ |
| Radius of gyration, rₓ | 197 mm | 7.77 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 | 1.53000e+9 mm⁴ | 3,670 in⁴ |
| Elastic modulus, S_y | 6,020,000 mm³ | 367 in³ |
| Plastic modulus, Z_y | 7,100,000 mm³ | 433 in³ |
| Radius of gyration, r_y | 197 mm | 7.77 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2.44000e+9 mm⁴ | 5,870 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 329 kg/m | 221.06 lb/ft |