UPE 400
UPE parallel flange channels from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 400 mm | 15.748 in |
| Flange width, b_f | 115 mm | 4.5276 in |
| Web thickness, t_w | 13.5 mm | 0.531496 in |
| Flange thickness, t_f | 18 mm | 0.708661 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 210,000,000 mm⁴ | 504.527 in⁴ |
| Elastic modulus, Sₓ | 1,050,000 mm³ | 64.0749 in³ |
| Plastic modulus, Zₓ | 1,260,000 mm³ | 76.8899 in³ |
| Radius of gyration, rₓ | 151 mm | 5.9449 in |
| Distance to top fibre | 200 mm | 7.874 in |
| Distance to bottom fibre | 200 mm | 7.874 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 10,400,000 mm⁴ | 24.9861 in⁴ |
| Elastic modulus, S_y | 123,000 mm³ | 7.5059 in³ |
| Plastic modulus, Z_y | 191,000 mm³ | 11.6555 in³ |
| Radius of gyration, r_y | 33.7 mm | 1.3268 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 791,000 mm⁴ | 1.9004 in⁴ |
| Warping constant, C_w | 2.59000e+11 mm⁶ | 964.4894 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 72.2 kg/m | 48.5162 lb/ft |