UPN 380
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 | 380 mm | 14.9606 in |
| Flange width, b_f | 102 mm | 4.0157 in |
| Web thickness, t_w | 13.5 mm | 0.531496 in |
| Flange thickness, t_f | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 158,000,000 mm⁴ | 379.5965 in⁴ |
| Elastic modulus, Sₓ | 829,000 mm³ | 50.5887 in³ |
| Plastic modulus, Zₓ | 1,010,000 mm³ | 61.634 in³ |
| Radius of gyration, rₓ | 140 mm | 5.5118 in |
| Distance to top fibre | 190 mm | 7.4803 in |
| Distance to bottom fibre | 190 mm | 7.4803 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 6,150,000 mm⁴ | 14.7754 in⁴ |
| Elastic modulus, S_y | 79,000 mm³ | 4.8209 in³ |
| Plastic modulus, Z_y | 148,000 mm³ | 9.0315 in³ |
| Radius of gyration, r_y | 27.7 mm | 1.0906 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 591,000 mm⁴ | 1.4199 in⁴ |
| Warping constant, C_w | 1.46000e+11 mm⁶ | 543.689 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 63.1 kg/m | 42.4012 lb/ft |