HE 120 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 | 140 mm | 5.5118 in |
| Flange width, b_f | 126 mm | 4.9606 in |
| Web thickness, t_w | 12.5 mm | 0.492126 in |
| Flange thickness, t_f | 21 mm | 0.826772 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 20,200,000 mm⁴ | 48.5307 in⁴ |
| Elastic modulus, Sₓ | 288,000 mm³ | 17.5748 in³ |
| Plastic modulus, Zₓ | 351,000 mm³ | 21.4193 in³ |
| Radius of gyration, rₓ | 55.1 mm | 2.1693 in |
| Distance to top fibre | 70 mm | 2.7559 in |
| Distance to bottom fibre | 70 mm | 2.7559 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 7,030,000 mm⁴ | 16.8896 in⁴ |
| Elastic modulus, S_y | 112,000 mm³ | 6.8347 in³ |
| Plastic modulus, Z_y | 172,000 mm³ | 10.4961 in³ |
| Radius of gyration, r_y | 32.5 mm | 1.2795 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 905,000 mm⁴ | 2.1743 in⁴ |
| Warping constant, C_w | 2.48000e+10 mm⁶ | 92.3527 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 52.1 kg/m | 35.0096 lb/ft |