HSS 20x20x3/8
Square HSS from AISC Shapes Database v16.0. Also designated HSS508X508X9.5.
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 | 8.86 mm | 0.349 in |
| Nominal wall thickness | 9.53 mm | 0.375 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 724,000,000 mm⁴ | 1,740 in⁴ |
| Elastic modulus, Sₓ | 2,850,000 mm³ | 174 in³ |
| Plastic modulus, Zₓ | 3,260,000 mm³ | 199 in³ |
| Radius of gyration, rₓ | 203 mm | 8 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 | 724,000,000 mm⁴ | 1,740 in⁴ |
| Elastic modulus, S_y | 2,850,000 mm³ | 174 in³ |
| Plastic modulus, Z_y | 3,260,000 mm³ | 199 in³ |
| Radius of gyration, r_y | 203 mm | 8 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.12000e+9 mm⁴ | 2,680 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 147 kg/m | 98.94 lb/ft |