HSS 20x20x5/8
Square HSS from AISC Shapes Database v16.0. Also designated HSS508X508X15.9.
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 | 14.8 mm | 0.581 in |
| Nominal wall thickness | 15.9 mm | 0.625 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.14000e+9 mm⁴ | 2,750 in⁴ |
| Elastic modulus, Sₓ | 4,510,000 mm³ | 275 in³ |
| Plastic modulus, Zₓ | 5,240,000 mm³ | 320 in³ |
| Radius of gyration, rₓ | 200 mm | 7.88 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 | 1.14000e+9 mm⁴ | 2,750 in⁴ |
| Elastic modulus, S_y | 4,510,000 mm³ | 275 in³ |
| Plastic modulus, Z_y | 5,240,000 mm³ | 320 in³ |
| Radius of gyration, r_y | 200 mm | 7.88 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.80000e+9 mm⁴ | 4,320 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 240 kg/m | 161.4 lb/ft |