UPN 260
UPN taper 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 | 260 mm | 10.2362 in |
| Flange width, b_f | 90 mm | 3.5433 in |
| Web thickness, t_w | 10 mm | 0.393701 in |
| Flange thickness, t_f | 14 mm | 0.551181 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 48,200,000 mm⁴ | 115.801 in⁴ |
| Elastic modulus, Sₓ | 371,000 mm³ | 22.6398 in³ |
| Plastic modulus, Zₓ | 442,000 mm³ | 26.9725 in³ |
| Radius of gyration, rₓ | 99.9 mm | 3.9331 in |
| Distance to top fibre | 130 mm | 5.1181 in |
| Distance to bottom fibre | 130 mm | 5.1181 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,170,000 mm⁴ | 7.616 in⁴ |
| Elastic modulus, S_y | 48,000 mm³ | 2.9291 in³ |
| Plastic modulus, Z_y | 91,600 mm³ | 5.5898 in³ |
| Radius of gyration, r_y | 25.6 mm | 1.0079 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 255,000 mm⁴ | 0.61264 in⁴ |
| Warping constant, C_w | 3.33000e+10 mm⁶ | 124.0058 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 37.9 kg/m | 25.4676 lb/ft |