M318×17.3
Miscellaneous beams from CISC Structural Section Tables SST12.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 317 mm | 12.4803 in |
| Flange width, b_f | 89 mm | 3.5039 in |
| Web thickness, t_w | 3.9 mm | 0.153543 in |
| Flange thickness, t_f | 5.4 mm | 0.212598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 33,400,000 mm⁴ | 80.2438 in⁴ |
| Elastic modulus, Sₓ | 211,000 mm³ | 12.876 in³ |
| Plastic modulus, Zₓ | 246,000 mm³ | 15.0118 in³ |
| Radius of gyration, rₓ | 124 mm | 4.8819 in |
| Distance to top fibre | 158.5 mm | 6.2402 in |
| Distance to bottom fibre | 158.5 mm | 6.2402 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 636,000 mm⁴ | 1.528 in⁴ |
| Elastic modulus, S_y | 14,300 mm³ | 0.87264 in³ |
| Plastic modulus, Z_y | 22,600 mm³ | 1.3791 in³ |
| Radius of gyration, r_y | 17.1 mm | 0.673228 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 17,200 mm⁴ | 0.041323 in⁴ |
| Warping constant, C_w | 1.54000e+10 mm⁶ | 57.348 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 17.3 kg/m | 11.6 lb/ft |