HE 800 B
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 | 800 mm | 31.4961 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 17.5 mm | 0.688976 in |
| Flange thickness, t_f | 33 mm | 1.2992 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3.59000e+9 mm⁴ | 8,625.01 in⁴ |
| Elastic modulus, Sₓ | 8,980,000 mm³ | 547.9932 in³ |
| Plastic modulus, Zₓ | 10,200,000 mm³ | 622.4422 in³ |
| Radius of gyration, rₓ | 328 mm | 12.9134 in |
| Distance to top fibre | 400 mm | 15.748 in |
| Distance to bottom fibre | 400 mm | 15.748 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 149,000,000 mm⁴ | 357.9739 in⁴ |
| Elastic modulus, S_y | 994,000 mm³ | 60.6576 in³ |
| Plastic modulus, Z_y | 1,550,000 mm³ | 94.5868 in³ |
| Radius of gyration, r_y | 66.8 mm | 2.6299 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 9,590,000 mm⁴ | 23.0401 in⁴ |
| Warping constant, C_w | 2.18000e+13 mm⁶ | 81,180.962 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 262 kg/m | 176.0559 lb/ft |