M12.5x11.6
Miscellaneous beams from AISC Shapes Database v16.0. Also designated M318X17.3.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 318 mm | 12.5 in |
| Flange width, b_f | 88.9 mm | 3.5 in |
| Web thickness, t_w | 3.94 mm | 0.155 in |
| Flange thickness, t_f | 5.36 mm | 0.211 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 33,400,000 mm⁴ | 80.3 in⁴ |
| Elastic modulus, Sₓ | 210,000 mm³ | 12.8 in³ |
| Plastic modulus, Zₓ | 246,000 mm³ | 15 in³ |
| Radius of gyration, rₓ | 123 mm | 4.86 in |
| Distance to top fibre | 159 mm | 6.25 in |
| Distance to bottom fibre | 159 mm | 6.25 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 629,000 mm⁴ | 1.51 in⁴ |
| Elastic modulus, S_y | 14,200 mm³ | 0.864 in³ |
| Plastic modulus, Z_y | 22,500 mm³ | 1.37 in³ |
| Radius of gyration, r_y | 16.9 mm | 0.667 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 17,200 mm⁴ | 0.0414 in⁴ |
| Warping constant, C_w | 1.53000e+10 mm⁶ | 57.1 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 17.3 kg/m | 11.6 lb/ft |