HSS 20x4x3/8
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X101.6X9.5.
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 | 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 | 273,000,000 mm⁴ | 657 in⁴ |
| Elastic modulus, Sₓ | 1,080,000 mm³ | 65.7 in³ |
| Plastic modulus, Zₓ | 1,460,000 mm³ | 89.3 in³ |
| Radius of gyration, rₓ | 163 mm | 6.42 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 | 19,800,000 mm⁴ | 47.6 in⁴ |
| Elastic modulus, S_y | 390,000 mm³ | 23.8 in³ |
| Plastic modulus, Z_y | 439,000 mm³ | 26.8 in³ |
| Radius of gyration, r_y | 43.9 mm | 1.73 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 64,900,000 mm⁴ | 156 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 86.4 kg/m | 58.1 lb/ft |