HE 100 AA
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 | 91 mm | 3.5827 in |
| Flange width, b_f | 100 mm | 3.937 in |
| Web thickness, t_w | 4.2 mm | 0.165354 in |
| Flange thickness, t_f | 5.5 mm | 0.216535 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,360,000 mm⁴ | 5.6699 in⁴ |
| Elastic modulus, Sₓ | 52,000 mm³ | 3.1732 in³ |
| Plastic modulus, Zₓ | 58,400 mm³ | 3.5638 in³ |
| Radius of gyration, rₓ | 38.9 mm | 1.5315 in |
| Distance to top fibre | 45.5 mm | 1.7913 in |
| Distance to bottom fibre | 45.5 mm | 1.7913 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 921,000 mm⁴ | 2.2127 in⁴ |
| Elastic modulus, S_y | 18,000 mm³ | 1.0984 in³ |
| Plastic modulus, Z_y | 28,400 mm³ | 1.7331 in³ |
| Radius of gyration, r_y | 24.3 mm | 0.956693 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 23,300 mm⁴ | 0.055978 in⁴ |
| Warping constant, C_w | 1.68000e+9 mm⁶ | 6.2561 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 12.2 kg/m | 8.198 lb/ft |