HE 120 A
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 | 114 mm | 4.4882 in |
| Flange width, b_f | 120 mm | 4.7244 in |
| Web thickness, t_w | 5 mm | 0.19685 in |
| Flange thickness, t_f | 8 mm | 0.314961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 6,060,000 mm⁴ | 14.5592 in⁴ |
| Elastic modulus, Sₓ | 106,000 mm³ | 6.4685 in³ |
| Plastic modulus, Zₓ | 120,000 mm³ | 7.3228 in³ |
| Radius of gyration, rₓ | 48.9 mm | 1.9252 in |
| Distance to top fibre | 57 mm | 2.2441 in |
| Distance to bottom fibre | 57 mm | 2.2441 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,310,000 mm⁴ | 5.5498 in⁴ |
| Elastic modulus, S_y | 39,000 mm³ | 2.3799 in³ |
| Plastic modulus, Z_y | 58,800 mm³ | 3.5882 in³ |
| Radius of gyration, r_y | 30.2 mm | 1.189 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 60,400 mm⁴ | 0.145112 in⁴ |
| Warping constant, C_w | 6.47000e+9 mm⁶ | 24.0936 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 19.9 kg/m | 13.3722 lb/ft |