HSS 20x8x5/8
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X203.2X15.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 203 mm | 8 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 | 599,000,000 mm⁴ | 1,440 in⁴ |
| Elastic modulus, Sₓ | 2,360,000 mm³ | 144 in³ |
| Plastic modulus, Zₓ | 3,030,000 mm³ | 185 in³ |
| Radius of gyration, rₓ | 175 mm | 6.89 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 | 141,000,000 mm⁴ | 338 in⁴ |
| Elastic modulus, S_y | 1,390,000 mm³ | 84.6 in³ |
| Plastic modulus, Z_y | 1,580,000 mm³ | 96.4 in³ |
| Radius of gyration, r_y | 84.8 mm | 3.34 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 381,000,000 mm⁴ | 916 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 164 kg/m | 110.36 lb/ft |