Steel Beam Sizes / Europe / IPN Sections / IPN 550
IPN 550 Dimensions, Weight and Section Properties
EN IPN taper flange beams · v2026.1
IPN 550: 550 mm depth, 200 mm flange width, 166 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
IPN 550 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 | 111.55 lb/ft | 166.00 kg/m |
| Depth, d | 21.65 in | 550.00 mm |
| Flange width, bf | 7.87 in | 200.00 mm |
| tw | 0.748 in | 19.000 mm |
| tf | 1.181 in | 30.000 mm |
| Area | 32.86 in² | 21,200.00 mm² |
| Ix | 2,382.81 in⁴ | 991,800,000 mm⁴ |
| Iy | 83.85 in⁴ | 34,900,000 mm⁴ |
| Sx | 220.30 in³ | 3,610,000 mm³ |
| Sy | 21.30 in³ | 349,000.00 mm³ |
| Zx | 258.74 in³ | 4,240,000 mm³ |
| Zy | 36.13 in³ | 592,000.00 mm³ |
| rx | 8.50 in | 216.00 mm |
| ry | 1.57 in | 40.00 mm |
| J | 13.07 in⁴ | 5,440,000 mm⁴ |
| Cw | 8,900.11 in⁶ | 2,390,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus IPN 550.
Lighter in IPN taper flange beams
IPN 500
- Weight
- 141.0 kg/m (-15%)
- Depth
- 500.0 mm (-9.1%)
- Ix
- 687,400,000 mm⁴ (-31%)
Heavier in IPN taper flange beams
IPN 600
- Weight
- 199.0 kg/m (+20%)
- Depth
- 600.0 mm (+9.1%)
- Ix
- 1,390,000,000 mm⁴ (+40%)
Another Iₓ option in IPN taper flange beams
IPN 450
- Weight
- 115.0 kg/m (-31%)
- Depth
- 450.0 mm (-18%)
- Ix
- 458,500,000 mm⁴ (-54%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · EN 10365:2017 · Methodology