HE 120 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 | 109 mm | 4.2913 in |
| Flange width, b_f | 120 mm | 4.7244 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 | 4,130,000 mm⁴ | 9.9224 in⁴ |
| Elastic modulus, Sₓ | 75,800 mm³ | 4.6256 in³ |
| Plastic modulus, Zₓ | 84,100 mm³ | 5.1321 in³ |
| Radius of gyration, rₓ | 47.2 mm | 1.8583 in |
| Distance to top fibre | 54.5 mm | 2.1457 in |
| Distance to bottom fibre | 54.5 mm | 2.1457 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,590,000 mm⁴ | 3.82 in⁴ |
| Elastic modulus, S_y | 27,000 mm³ | 1.6476 in³ |
| Plastic modulus, Z_y | 40,600 mm³ | 2.4776 in³ |
| Radius of gyration, r_y | 29.3 mm | 1.1535 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 25,900 mm⁴ | 0.062225 in⁴ |
| Warping constant, C_w | 4.24000e+9 mm⁶ | 15.7893 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 14.6 kg/m | 9.8107 lb/ft |