HSS 20x12x3/4
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X304.8X19.0.
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 | 17.7 mm | 0.698 in |
| Nominal wall thickness | 19.1 mm | 0.75 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 911,000,000 mm⁴ | 2,190 in⁴ |
| Elastic modulus, Sₓ | 3,590,000 mm³ | 219 in³ |
| Plastic modulus, Zₓ | 4,430,000 mm³ | 270 in³ |
| Radius of gyration, rₓ | 184 mm | 7.26 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 | 411,000,000 mm⁴ | 988 in⁴ |
| Elastic modulus, S_y | 2,700,000 mm³ | 165 in³ |
| Plastic modulus, Z_y | 3,110,000 mm³ | 190 in³ |
| Radius of gyration, r_y | 124 mm | 4.88 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 924,000,000 mm⁴ | 2,220 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 224 kg/m | 150.75 lb/ft |