UPN 300
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 | 300 mm | 11.811 in |
| Flange width, b_f | 100 mm | 3.937 in |
| Web thickness, t_w | 10 mm | 0.393701 in |
| Flange thickness, t_f | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 80,300,000 mm⁴ | 192.9215 in⁴ |
| Elastic modulus, Sₓ | 535,000 mm³ | 32.6477 in³ |
| Plastic modulus, Zₓ | 632,000 mm³ | 38.567 in³ |
| Radius of gyration, rₓ | 117 mm | 4.6063 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 4,950,000 mm⁴ | 11.8924 in⁴ |
| Elastic modulus, S_y | 68,000 mm³ | 4.1496 in³ |
| Plastic modulus, Z_y | 130,000 mm³ | 7.9331 in³ |
| Radius of gyration, r_y | 29 mm | 1.1417 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 374,000 mm⁴ | 0.898539 in⁴ |
| Warping constant, C_w | 6.91000e+10 mm⁶ | 257.3213 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 46.2 kg/m | 31.045 lb/ft |