Steel Beam Sizes / Europe / HE Sections / HE 400 M
HE 400 M Dimensions, Weight and Section Properties
EN HE wide flange sections · v2026.1
HE 400 M: 432 mm depth, 307 mm flange width, 256 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HE 400 M 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 | 172.02 lb/ft | 256.00 kg/m |
| Depth, d | 17.01 in | 432.00 mm |
| Flange width, bf | 12.09 in | 307.00 mm |
| tw | 0.827 in | 21.000 mm |
| tf | 1.575 in | 40.000 mm |
| Area | 50.53 in² | 32,600.00 mm² |
| Ix | 2,498.61 in⁴ | 1,040,000,000 mm⁴ |
| Iy | 463.68 in⁴ | 193,000,000 mm⁴ |
| Sx | 294.13 in³ | 4,820,000 mm³ |
| Sy | 76.89 in³ | 1,260,000 mm³ |
| Zx | 339.90 in³ | 5,570,000 mm³ |
| Zy | 117.78 in³ | 1,930,000 mm³ |
| rx | 7.05 in | 179.00 mm |
| ry | 3.03 in | 77.00 mm |
| J | 36.52 in⁴ | 15,200,000 mm⁴ |
| Cw | 27,594.08 in⁶ | 7,410,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HE 400 M.
Lighter in HE wide flange sections
HE 900 A
- Weight
- 252.0 kg/m (-1.6%)
- Depth
- 890.0 mm (+106%)
- Ix
- 4,220,000,000 mm⁴ (+306%)
Heavier in HE wide flange sections
HE 800 B
- Weight
- 262.0 kg/m (+2.3%)
- Depth
- 800.0 mm (+85%)
- Ix
- 3,590,000,000 mm⁴ (+245%)
Another Iₓ option in HE wide flange sections
HE 500 B
- Weight
- 187.0 kg/m (-27%)
- Depth
- 500.0 mm (+16%)
- Ix
- 1,070,000,000 mm⁴ (+2.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology