UPN 200
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 | 200 mm | 7.874 in |
| Flange width, b_f | 75 mm | 2.9528 in |
| Web thickness, t_w | 8.5 mm | 0.334646 in |
| Flange thickness, t_f | 11.5 mm | 0.452756 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 19,100,000 mm⁴ | 45.8879 in⁴ |
| Elastic modulus, Sₓ | 191,000 mm³ | 11.6555 in³ |
| Plastic modulus, Zₓ | 228,000 mm³ | 13.9134 in³ |
| Radius of gyration, rₓ | 77 mm | 3.0315 in |
| Distance to top fibre | 100 mm | 3.937 in |
| Distance to bottom fibre | 100 mm | 3.937 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,480,000 mm⁴ | 3.5557 in⁴ |
| Elastic modulus, S_y | 27,000 mm³ | 1.6476 in³ |
| Plastic modulus, Z_y | 51,800 mm³ | 3.161 in³ |
| Radius of gyration, r_y | 21.4 mm | 0.84252 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 119,000 mm⁴ | 0.285899 in⁴ |
| Warping constant, C_w | 9.07000e+9 mm⁶ | 33.7757 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 25.3 kg/m | 17.0008 lb/ft |