UB 686×254×170
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 | 692.9 mm | 27.2795 in |
| Flange width, b_f | 255.8 mm | 10.0709 in |
| Web thickness, t_w | 14.5 mm | 0.570866 in |
| Flange thickness, t_f | 23.7 mm | 0.933071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.70000e+9 mm⁴ | 4,084.266 in⁴ |
| Elastic modulus, Sₓ | 4,920,000 mm³ | 300.2368 in³ |
| Plastic modulus, Zₓ | 5,630,000 mm³ | 343.5637 in³ |
| Radius of gyration, rₓ | 280 mm | 11.0236 in |
| Distance to top fibre | 346.45 mm | 13.6398 in |
| Distance to bottom fibre | 346.45 mm | 13.6398 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 66,300,000 mm⁴ | 159.2864 in⁴ |
| Elastic modulus, S_y | 518,000 mm³ | 31.6103 in³ |
| Plastic modulus, Z_y | 811,000 mm³ | 49.4903 in³ |
| Radius of gyration, r_y | 55.3 mm | 2.1772 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,080,000 mm⁴ | 7.3997 in⁴ |
| Warping constant, C_w | 7.40000e+12 mm⁶ | 27,556.84 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 170 kg/m | 114.2347 lb/ft |