Steel Beam Sizes / Europe / IPN Sections / IPN 450
IPN 450 Dimensions, Weight and Section Properties
EN IPN taper flange beams · v2026.1
IPN 450: 450 mm depth, 170 mm flange width, 115 kg/m weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
IPN 450 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 | 77.28 lb/ft | 115.00 kg/m |
| Depth, d | 17.72 in | 450.00 mm |
| Flange width, bf | 6.69 in | 170.00 mm |
| tw | 0.638 in | 16.200 mm |
| tf | 0.957 in | 24.300 mm |
| Area | 22.77 in² | 14,690.00 mm² |
| Ix | 1,101.55 in⁴ | 458,500,000 mm⁴ |
| Iy | 41.56 in⁴ | 17,300,000 mm⁴ |
| Sx | 124.49 in³ | 2,040,000 mm³ |
| Sy | 12.39 in³ | 203,000.00 mm³ |
| Zx | 146.46 in³ | 2,400,000 mm³ |
| Zy | 21.05 in³ | 345,000.00 mm³ |
| rx | 6.97 in | 177.00 mm |
| ry | 1.34 in | 34.00 mm |
| J | 6.41 in⁴ | 2,670,000 mm⁴ |
| Cw | 2,945.60 in⁶ | 791,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus IPN 450.
Lighter in IPN taper flange beams
IPN 400
- Weight
- 92.4 kg/m (-20%)
- Depth
- 400.0 mm (-11%)
- Ix
- 292,100,000 mm⁴ (-36%)
Heavier in IPN taper flange beams
IPN 500
- Weight
- 141.0 kg/m (+23%)
- Depth
- 500.0 mm (+11%)
- Ix
- 687,400,000 mm⁴ (+50%)
Another Iₓ option in IPN taper flange beams
IPN 380
- Weight
- 84.0 kg/m (-27%)
- Depth
- 380.0 mm (-16%)
- Ix
- 240,100,000 mm⁴ (-48%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · EN 10365:2017 · Methodology