HE 650 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 | 668 mm | 26.2992 in |
| Flange width, b_f | 305 mm | 12.0079 in |
| Web thickness, t_w | 21 mm | 0.826772 in |
| Flange thickness, t_f | 40 mm | 1.5748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2.82000e+9 mm⁴ | 6,775.077 in⁴ |
| Elastic modulus, Sₓ | 8,430,000 mm³ | 514.4302 in³ |
| Plastic modulus, Zₓ | 9,660,000 mm³ | 589.4894 in³ |
| Radius of gyration, rₓ | 275 mm | 10.8268 in |
| Distance to top fibre | 334 mm | 13.1496 in |
| Distance to bottom fibre | 334 mm | 13.1496 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 190,000,000 mm⁴ | 456.4768 in⁴ |
| Elastic modulus, S_y | 1,240,000 mm³ | 75.6694 in³ |
| Plastic modulus, Z_y | 1,940,000 mm³ | 118.3861 in³ |
| Radius of gyration, r_y | 71.3 mm | 2.8071 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 15,800,000 mm⁴ | 37.9597 in⁴ |
| Warping constant, C_w | 1.86000e+13 mm⁶ | 69,264.491 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 293 kg/m | 196.8869 lb/ft |