HE 120 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 | 120 mm | 4.7244 in |
| Flange width, b_f | 120 mm | 4.7244 in |
| Web thickness, t_w | 6.5 mm | 0.255906 in |
| Flange thickness, t_f | 11 mm | 0.433071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 8,640,000 mm⁴ | 20.7577 in⁴ |
| Elastic modulus, Sₓ | 144,000 mm³ | 8.7874 in³ |
| Plastic modulus, Zₓ | 165,000 mm³ | 10.0689 in³ |
| Radius of gyration, rₓ | 50.4 mm | 1.9843 in |
| Distance to top fibre | 60 mm | 2.3622 in |
| Distance to bottom fibre | 60 mm | 2.3622 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,180,000 mm⁴ | 7.64 in⁴ |
| Elastic modulus, S_y | 53,000 mm³ | 3.2343 in³ |
| Plastic modulus, Z_y | 81,000 mm³ | 4.9429 in³ |
| Radius of gyration, r_y | 30.6 mm | 1.2047 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 139,000 mm⁴ | 0.333949 in⁴ |
| Warping constant, C_w | 9.41000e+9 mm⁶ | 35.0419 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 26.7 kg/m | 17.9416 lb/ft |