Steel Beam Sizes / Europe / IPN Sections / IPN 80
IPN 80 Steel Beam Dimensions and Properties
EN IPN taper flange beams · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
IPN 80 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 3.96 lb/ft | 5.90 kg/m |
| Depth, d | 3.15 in | 80.00 mm |
| Flange width, bf | 1.65 in | 42.00 mm |
| tw | 0.154 in | 3.900 mm |
| tf | 0.232 in | 5.900 mm |
| Area | 1.18 in² | 760.00 mm² |
| Ix | 1.87 in⁴ | 778,000.00 mm⁴ |
| Iy | 0.15 in⁴ | 62,900.00 mm⁴ |
| Sx | 1.19 in³ | 19,500.00 mm³ |
| Sy | 0.18 in³ | 3,000.00 mm³ |
| Zx | 1.39 in³ | 22,800.00 mm³ |
| Zy | 0.31 in³ | 5,000.00 mm³ |
| rx | 1.26 in | 32.00 mm |
| ry | 0.35 in | 9.00 mm |
| J | 0.02 in⁴ | 8,700.00 mm⁴ |
| Cw | 0.34 in⁶ | 90,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus IPN 80.
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · EN 10365:2017 · Methodology