UB 686×254×125
Universal beams from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 677.9 mm | 26.689 in |
| Flange width, b_f | 253 mm | 9.9606 in |
| Web thickness, t_w | 11.7 mm | 0.46063 in |
| Flange thickness, t_f | 16.2 mm | 0.637795 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.18000e+9 mm⁴ | 2,834.961 in⁴ |
| Elastic modulus, Sₓ | 3,480,000 mm³ | 212.3626 in³ |
| Plastic modulus, Zₓ | 3,990,000 mm³ | 243.4847 in³ |
| Radius of gyration, rₓ | 272 mm | 10.7087 in |
| Distance to top fibre | 338.95 mm | 13.3445 in |
| Distance to bottom fibre | 338.95 mm | 13.3445 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 43,800,000 mm⁴ | 105.2299 in⁴ |
| Elastic modulus, S_y | 346,000 mm³ | 21.1142 in³ |
| Plastic modulus, Z_y | 542,000 mm³ | 33.0749 in³ |
| Radius of gyration, r_y | 52.4 mm | 2.063 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,160,000 mm⁴ | 2.7869 in⁴ |
| Warping constant, C_w | 4.79000e+12 mm⁶ | 17,837.468 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 125 kg/m | 83.9961 lb/ft |