HA203×102×7.9
Rectangular HSS from CISC Structural Section Tables SST12.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 203.2 mm | 8 in |
| Width | 101.6 mm | 4 in |
| Design wall thickness | 7.15 mm | 0.281496 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 20,700,000 mm⁴ | 49.7319 in⁴ |
| Elastic modulus, Sₓ | 204,000 mm³ | 12.4488 in³ |
| Plastic modulus, Zₓ | 257,000 mm³ | 15.6831 in³ |
| Radius of gyration, rₓ | 71.7 mm | 2.8228 in |
| Distance to top fibre | 101.6 mm | 4 in |
| Distance to bottom fibre | 101.6 mm | 4 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 6,960,000 mm⁴ | 16.7215 in⁴ |
| Elastic modulus, S_y | 137,000 mm³ | 8.3603 in³ |
| Plastic modulus, Z_y | 158,000 mm³ | 9.6418 in³ |
| Radius of gyration, r_y | 41.6 mm | 1.6378 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 17,200,000 mm⁴ | 41.3232 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 34.7 kg/m | 23.4 lb/ft |