UPN 240
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 | 240 mm | 9.4488 in |
| Flange width, b_f | 85 mm | 3.3465 in |
| Web thickness, t_w | 9.5 mm | 0.374016 in |
| Flange thickness, t_f | 13 mm | 0.511811 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 36,000,000 mm⁴ | 86.4903 in⁴ |
| Elastic modulus, Sₓ | 300,000 mm³ | 18.3071 in³ |
| Plastic modulus, Zₓ | 358,000 mm³ | 21.8465 in³ |
| Radius of gyration, rₓ | 92.2 mm | 3.6299 in |
| Distance to top fibre | 120 mm | 4.7244 in |
| Distance to bottom fibre | 120 mm | 4.7244 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,480,000 mm⁴ | 5.9582 in⁴ |
| Elastic modulus, S_y | 40,000 mm³ | 2.441 in³ |
| Plastic modulus, Z_y | 75,700 mm³ | 4.6195 in³ |
| Radius of gyration, r_y | 24.2 mm | 0.952756 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 197,000 mm⁴ | 0.473294 in⁴ |
| Warping constant, C_w | 2.21000e+10 mm⁶ | 82.2981 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 33.2 kg/m | 22.3094 lb/ft |