S310×74
American standard 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 | 305 mm | 12.0079 in |
| Flange width, b_f | 139 mm | 5.4724 in |
| Web thickness, t_w | 17.4 mm | 0.685039 in |
| Flange thickness, t_f | 16.7 mm | 0.65748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 127,000,000 mm⁴ | 305.1187 in⁴ |
| Elastic modulus, Sₓ | 833,000 mm³ | 50.8328 in³ |
| Plastic modulus, Zₓ | 1,000,000 mm³ | 61.0237 in³ |
| Radius of gyration, rₓ | 116 mm | 4.5669 in |
| Distance to top fibre | 152.5 mm | 6.0039 in |
| Distance to bottom fibre | 152.5 mm | 6.0039 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 6,480,000 mm⁴ | 15.5683 in⁴ |
| Elastic modulus, S_y | 93,300 mm³ | 5.6935 in³ |
| Plastic modulus, Z_y | 169,000 mm³ | 10.313 in³ |
| Radius of gyration, r_y | 26.2 mm | 1.0315 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,160,000 mm⁴ | 2.7869 in⁴ |
| Warping constant, C_w | 1.35000e+11 mm⁶ | 502.7261 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 74 kg/m | 50 lb/ft |