IPE A 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 | 78 mm | 3.0709 in |
| Flange width, b_f | 46 mm | 1.811 in |
| Web thickness, t_w | 3.3 mm | 0.129921 in |
| Flange thickness, t_f | 4.2 mm | 0.165354 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 644,000 mm⁴ | 1.5472 in⁴ |
| Elastic modulus, Sₓ | 16,500 mm³ | 1.0069 in³ |
| Plastic modulus, Zₓ | 19,000 mm³ | 1.1595 in³ |
| Radius of gyration, rₓ | 31.8 mm | 1.252 in |
| Distance to top fibre | 39 mm | 1.5354 in |
| Distance to bottom fibre | 39 mm | 1.5354 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 68,500 mm⁴ | 0.164572 in⁴ |
| Elastic modulus, S_y | 3,000 mm³ | 0.183071 in³ |
| Plastic modulus, Z_y | 4,700 mm³ | 0.286812 in³ |
| Radius of gyration, r_y | 10.4 mm | 0.409449 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,900 mm⁴ | 0.00937 in⁴ |
| Warping constant, C_w | 90,000,000 mm⁶ | 0.335151 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 5 kg/m | 3.3598 lb/ft |