S12x50
American standard beams from AISC Shapes Database v16.0. Also designated S310X74.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 305 mm | 12 in |
| Flange width, b_f | 139 mm | 5.48 in |
| Web thickness, t_w | 17.4 mm | 0.687 in |
| Flange thickness, t_f | 16.7 mm | 0.659 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 126,000,000 mm⁴ | 303 in⁴ |
| Elastic modulus, Sₓ | 829,000 mm³ | 50.6 in³ |
| Plastic modulus, Zₓ | 998,000 mm³ | 60.9 in³ |
| Radius of gyration, rₓ | 116 mm | 4.55 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 | 6,490,000 mm⁴ | 15.6 in⁴ |
| Elastic modulus, S_y | 93,200 mm³ | 5.69 in³ |
| Plastic modulus, Z_y | 169,000 mm³ | 10.3 in³ |
| Radius of gyration, r_y | 26.2 mm | 1.03 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,150,000 mm⁴ | 2.77 in⁴ |
| Warping constant, C_w | 1.35000e+11 mm⁶ | 501 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 74 kg/m | 50 lb/ft |