HE 180 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 | 171 mm | 6.7323 in |
| Flange width, b_f | 180 mm | 7.0866 in |
| Web thickness, t_w | 6 mm | 0.23622 in |
| Flange thickness, t_f | 9.5 mm | 0.374016 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 25,100,000 mm⁴ | 60.303 in⁴ |
| Elastic modulus, Sₓ | 294,000 mm³ | 17.941 in³ |
| Plastic modulus, Zₓ | 325,000 mm³ | 19.8327 in³ |
| Radius of gyration, rₓ | 74.5 mm | 2.9331 in |
| Distance to top fibre | 85.5 mm | 3.3661 in |
| Distance to bottom fibre | 85.5 mm | 3.3661 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 9,250,000 mm⁴ | 22.2232 in⁴ |
| Elastic modulus, S_y | 103,000 mm³ | 6.2854 in³ |
| Plastic modulus, Z_y | 156,000 mm³ | 9.5197 in³ |
| Radius of gyration, r_y | 45.2 mm | 1.7795 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 149,000 mm⁴ | 0.357974 in⁴ |
| Warping constant, C_w | 6.02000e+10 mm⁶ | 224.1786 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 35.5 kg/m | 23.8549 lb/ft |