HE 800 M
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 | 814 mm | 32.0472 in |
| Flange width, b_f | 303 mm | 11.9291 in |
| Web thickness, t_w | 21 mm | 0.826772 in |
| Flange thickness, t_f | 40 mm | 1.5748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 4.43000e+9 mm⁴ | 10,643.118 in⁴ |
| Elastic modulus, Sₓ | 10,900,000 mm³ | 665.1588 in³ |
| Plastic modulus, Zₓ | 12,500,000 mm³ | 762.7968 in³ |
| Radius of gyration, rₓ | 331 mm | 13.0315 in |
| Distance to top fibre | 407 mm | 16.0236 in |
| Distance to bottom fibre | 407 mm | 16.0236 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 186,000,000 mm⁴ | 446.8668 in⁴ |
| Elastic modulus, S_y | 1,230,000 mm³ | 75.0592 in³ |
| Plastic modulus, Z_y | 1,930,000 mm³ | 117.7758 in³ |
| Radius of gyration, r_y | 67.9 mm | 2.6732 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 16,600,000 mm⁴ | 39.8817 in⁴ |
| Warping constant, C_w | 2.78000e+13 mm⁶ | 103,524.346 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 317 kg/m | 213.0142 lb/ft |