HSS 20x4x5/16
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X101.6X7.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 102 mm | 4 in |
| Design wall thickness | 7.39 mm | 0.291 in |
| Nominal wall thickness | 7.94 mm | 0.3125 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 233,000,000 mm⁴ | 560 in⁴ |
| Elastic modulus, Sₓ | 918,000 mm³ | 56 in³ |
| Plastic modulus, Zₓ | 1,240,000 mm³ | 75.6 in³ |
| Radius of gyration, rₓ | 164 mm | 6.46 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 | 17,100,000 mm⁴ | 41.2 in⁴ |
| Elastic modulus, S_y | 338,000 mm³ | 20.6 in³ |
| Plastic modulus, Z_y | 375,000 mm³ | 22.9 in³ |
| Radius of gyration, r_y | 44.5 mm | 1.75 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 55,800,000 mm⁴ | 134 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 72.7 kg/m | 48.86 lb/ft |