HSS 12x8x5/16
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS304.8X203.2X7.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 305 mm | 12 in |
| Width | 203 mm | 8 in |
| Design wall thickness | 7.39 mm | 0.291 in |
| Nominal wall thickness | 7.94 mm | 0.3125 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 93,200,000 mm⁴ | 224 in⁴ |
| Elastic modulus, Sₓ | 613,000 mm³ | 37.4 in³ |
| Plastic modulus, Zₓ | 736,000 mm³ | 44.9 in³ |
| Radius of gyration, rₓ | 114 mm | 4.5 in |
| Distance to top fibre | 152.5 mm | 6 in |
| Distance to bottom fibre | 152.5 mm | 6 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 49,900,000 mm⁴ | 120 in⁴ |
| Elastic modulus, S_y | 493,000 mm³ | 30.1 in³ |
| Plastic modulus, Z_y | 559,000 mm³ | 34.1 in³ |
| Radius of gyration, r_y | 83.6 mm | 3.29 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 103,000,000 mm⁴ | 248 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 60.1 kg/m | 40.35 lb/ft |