UB 254×102×25
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 | 257.2 mm | 10.126 in |
| Flange width, b_f | 101.9 mm | 4.0118 in |
| Web thickness, t_w | 6 mm | 0.23622 in |
| Flange thickness, t_f | 8.4 mm | 0.330709 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 34,200,000 mm⁴ | 82.1658 in⁴ |
| Elastic modulus, Sₓ | 266,000 mm³ | 16.2323 in³ |
| Plastic modulus, Zₓ | 306,000 mm³ | 18.6733 in³ |
| Radius of gyration, rₓ | 103 mm | 4.0551 in |
| Distance to top fibre | 128.6 mm | 5.063 in |
| Distance to bottom fibre | 128.6 mm | 5.063 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,490,000 mm⁴ | 3.5797 in⁴ |
| Elastic modulus, S_y | 29,000 mm³ | 1.7697 in³ |
| Plastic modulus, Z_y | 46,000 mm³ | 2.8071 in³ |
| Radius of gyration, r_y | 21.5 mm | 0.846457 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 64,200 mm⁴ | 0.154241 in⁴ |
| Warping constant, C_w | 2.29000e+10 mm⁶ | 85.2772 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 25.2 kg/m | 16.9336 lb/ft |