Steel Beam Sizes / Europe / IPE Sections / IPE 400
IPE 400 Dimensions, Weight and Section Properties
EN IPE beams · v2026.1
IPE 400: 400 mm depth, 180 mm flange width, 66.3 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
IPE 400 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 | 44.55 lb/ft | 66.30 kg/m |
| Depth, d | 15.75 in | 400.00 mm |
| Flange width, bf | 7.09 in | 180.00 mm |
| tw | 0.339 in | 8.600 mm |
| tf | 0.531 in | 13.500 mm |
| Area | 13.10 in² | 8,450.00 mm² |
| Ix | 554.98 in⁴ | 231,000,000 mm⁴ |
| Iy | 31.71 in⁴ | 13,200,000 mm⁴ |
| Sx | 70.79 in³ | 1,160,000 mm³ |
| Sy | 8.91 in³ | 146,000.00 mm³ |
| Zx | 79.94 in³ | 1,310,000 mm³ |
| Zy | 13.97 in³ | 229,000.00 mm³ |
| rx | 6.54 in | 166.00 mm |
| ry | 1.56 in | 39.50 mm |
| J | 1.23 in⁴ | 513,000.00 mm⁴ |
| Cw | 1,824.71 in⁶ | 490,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus IPE 400.
Lighter in IPE beams
IPE O 360
- Weight
- 66.0 kg/m (-0.5%)
- Depth
- 364.0 mm (-9.0%)
- Ix
- 190,000,000 mm⁴ (-18%)
Heavier in IPE beams
IPE A 450
- Weight
- 67.2 kg/m (+1.4%)
- Depth
- 447.0 mm (+12%)
- Ix
- 298,000,000 mm⁴ (+29%)
Another Iₓ option in IPE beams
IPE A 400
- Weight
- 57.4 kg/m (-13%)
- Depth
- 397.0 mm (-0.7%)
- Ix
- 203,000,000 mm⁴ (-12%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology