HSS 20x12x1
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X304.8X25.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 305 mm | 12 in |
| Design wall thickness | 23.6 mm | 0.93 in |
| Nominal wall thickness | 25.4 mm | 1 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.14000e+9 mm⁴ | 2,740 in⁴ |
| Elastic modulus, Sₓ | 4,490,000 mm³ | 274 in³ |
| Plastic modulus, Zₓ | 5,640,000 mm³ | 344 in³ |
| Radius of gyration, rₓ | 181 mm | 7.14 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 | 512,000,000 mm⁴ | 1,230 in⁴ |
| Elastic modulus, S_y | 3,360,000 mm³ | 205 in³ |
| Plastic modulus, Z_y | 3,950,000 mm³ | 241 in³ |
| Radius of gyration, r_y | 121 mm | 4.78 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.17000e+9 mm⁴ | 2,820 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 291 kg/m | 195.4 lb/ft |