HE 180 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 | 167 mm | 6.5748 in |
| Flange width, b_f | 180 mm | 7.0866 in |
| Web thickness, t_w | 5 mm | 0.19685 in |
| Flange thickness, t_f | 7.5 mm | 0.295276 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 19,700,000 mm⁴ | 47.3294 in⁴ |
| Elastic modulus, Sₓ | 236,000 mm³ | 14.4016 in³ |
| Plastic modulus, Zₓ | 258,000 mm³ | 15.7441 in³ |
| Radius of gyration, rₓ | 73.4 mm | 2.8898 in |
| Distance to top fibre | 83.5 mm | 3.2874 in |
| Distance to bottom fibre | 83.5 mm | 3.2874 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 7,300,000 mm⁴ | 17.5383 in⁴ |
| Elastic modulus, S_y | 81,000 mm³ | 4.9429 in³ |
| Plastic modulus, Z_y | 124,000 mm³ | 7.5669 in³ |
| Radius of gyration, r_y | 44.7 mm | 1.7598 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 83,100 mm⁴ | 0.199649 in⁴ |
| Warping constant, C_w | 4.64000e+10 mm⁶ | 172.7888 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 28.7 kg/m | 19.2855 lb/ft |