IPE 80
IPE beams 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 | 80 mm | 3.1496 in |
| Flange width, b_f | 46 mm | 1.811 in |
| Web thickness, t_w | 3.8 mm | 0.149606 in |
| Flange thickness, t_f | 5.2 mm | 0.204724 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 801,000 mm⁴ | 1.9244 in⁴ |
| Elastic modulus, Sₓ | 20,000 mm³ | 1.2205 in³ |
| Plastic modulus, Zₓ | 23,200 mm³ | 1.4158 in³ |
| Radius of gyration, rₓ | 32.4 mm | 1.2756 in |
| Distance to top fibre | 40 mm | 1.5748 in |
| Distance to bottom fibre | 40 mm | 1.5748 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 84,900 mm⁴ | 0.203973 in⁴ |
| Elastic modulus, S_y | 4,000 mm³ | 0.244095 in³ |
| Plastic modulus, Z_y | 5,800 mm³ | 0.353938 in³ |
| Radius of gyration, r_y | 10.5 mm | 0.413386 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 6,700 mm⁴ | 0.016097 in⁴ |
| Warping constant, C_w | 120,000,000 mm⁶ | 0.446868 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 6 kg/m | 4.0318 lb/ft |