HE 280 C
HE wide flange sections 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 | 295 mm | 11.6142 in |
| Flange width, b_f | 284 mm | 11.1811 in |
| Web thickness, t_w | 14.5 mm | 0.570866 in |
| Flange thickness, t_f | 25.5 mm | 1.0039 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 288,000,000 mm⁴ | 691.9228 in⁴ |
| Elastic modulus, Sₓ | 1,950,000 mm³ | 118.9963 in³ |
| Plastic modulus, Zₓ | 2,220,000 mm³ | 135.4727 in³ |
| Radius of gyration, rₓ | 125 mm | 4.9213 in |
| Distance to top fibre | 147.5 mm | 5.8071 in |
| Distance to bottom fibre | 147.5 mm | 5.8071 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 97,500,000 mm⁴ | 234.2447 in⁴ |
| Elastic modulus, S_y | 687,000 mm³ | 41.9233 in³ |
| Plastic modulus, Z_y | 1,050,000 mm³ | 64.0749 in³ |
| Radius of gyration, r_y | 72.6 mm | 2.8583 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,850,000 mm⁴ | 9.2497 in⁴ |
| Warping constant, C_w | 1.77000e+12 mm⁶ | 6,591.298 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 145 kg/m | 97.4355 lb/ft |