HSS 20x8x3/8
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X203.2X9.5.
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 | 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 | 385,000,000 mm⁴ | 926 in⁴ |
| Elastic modulus, Sₓ | 1,520,000 mm³ | 92.6 in³ |
| Plastic modulus, Zₓ | 1,920,000 mm³ | 117 in³ |
| Radius of gyration, rₓ | 179 mm | 7.03 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 | 92,400,000 mm⁴ | 222 in⁴ |
| Elastic modulus, S_y | 911,000 mm³ | 55.6 in³ |
| Plastic modulus, Z_y | 1,010,000 mm³ | 61.5 in³ |
| Radius of gyration, r_y | 87.4 mm | 3.44 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 244,000,000 mm⁴ | 586 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 102 kg/m | 68.31 lb/ft |