UPN 220
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 | 220 mm | 8.6614 in |
| Flange width, b_f | 80 mm | 3.1496 in |
| Web thickness, t_w | 9 mm | 0.354331 in |
| Flange thickness, t_f | 12.5 mm | 0.492126 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 26,900,000 mm⁴ | 64.6275 in⁴ |
| Elastic modulus, Sₓ | 245,000 mm³ | 14.9508 in³ |
| Plastic modulus, Zₓ | 292,000 mm³ | 17.8189 in³ |
| Radius of gyration, rₓ | 84.8 mm | 3.3386 in |
| Distance to top fibre | 110 mm | 4.3307 in |
| Distance to bottom fibre | 110 mm | 4.3307 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,970,000 mm⁴ | 4.7329 in⁴ |
| Elastic modulus, S_y | 34,000 mm³ | 2.0748 in³ |
| Plastic modulus, Z_y | 64,100 mm³ | 3.9116 in³ |
| Radius of gyration, r_y | 23 mm | 0.905512 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 160,000 mm⁴ | 0.384402 in⁴ |
| Warping constant, C_w | 1.46000e+10 mm⁶ | 54.3689 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 29.4 kg/m | 19.7559 lb/ft |