UPN 100
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 | 100 mm | 3.937 in |
| Flange width, b_f | 50 mm | 1.9685 in |
| Web thickness, t_w | 6 mm | 0.23622 in |
| Flange thickness, t_f | 8.5 mm | 0.334646 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,060,000 mm⁴ | 4.9492 in⁴ |
| Elastic modulus, Sₓ | 41,200 mm³ | 2.5142 in³ |
| Plastic modulus, Zₓ | 49,000 mm³ | 2.9902 in³ |
| Radius of gyration, rₓ | 39.1 mm | 1.5394 in |
| Distance to top fibre | 50 mm | 1.9685 in |
| Distance to bottom fibre | 50 mm | 1.9685 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 293,000 mm⁴ | 0.703935 in⁴ |
| Elastic modulus, S_y | 8,000 mm³ | 0.48819 in³ |
| Plastic modulus, Z_y | 16,200 mm³ | 0.988585 in³ |
| Radius of gyration, r_y | 14.7 mm | 0.57874 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 28,100 mm⁴ | 0.067511 in⁴ |
| Warping constant, C_w | 410,000,000 mm⁶ | 1.5268 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 10.6 kg/m | 7.1229 lb/ft |