Steel Beam Sizes / Europe / HE Sections / HE 400 B
HE 400 B Steel Beam Dimensions and Properties
EN HE wide flange sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HE 400 B 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 | 104.16 lb/ft | 155.00 kg/m |
| Depth, d | 15.75 in | 400.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.531 in | 13.500 mm |
| tf | 0.945 in | 24.000 mm |
| Area | 30.69 in² | 19,800.00 mm² |
| Ix | 1,386.25 in⁴ | 577,000,000 mm⁴ |
| Iy | 259.47 in⁴ | 108,000,000 mm⁴ |
| Sx | 175.75 in³ | 2,880,000 mm³ |
| Sy | 44.00 in³ | 721,000.00 mm³ |
| Zx | 197.11 in³ | 3,230,000 mm³ |
| Zy | 67.13 in³ | 1,100,000 mm³ |
| rx | 6.73 in | 171.00 mm |
| ry | 2.91 in | 74.00 mm |
| J | 8.67 in⁴ | 3,610,000 mm⁴ |
| Cw | 14,225.29 in⁶ | 3,820,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 400 B.
Lighter in HE wide flange sections
HE 700 AA
- Weight
- 150.0 kg/m (-3.2%)
- Depth
- 670.0 mm (+68%)
- Ix
- 1,430,000,000 mm⁴ (+148%)
Heavier in HE wide flange sections
HE 240 M
- Weight
- 157.0 kg/m (+1.3%)
- Depth
- 270.0 mm (-32%)
- Ix
- 243,000,000 mm⁴ (-58%)
Closest Iₓ in HE wide flange sections
HE 300 M
- Weight
- 238.0 kg/m (+54%)
- Depth
- 340.0 mm (-15%)
- Ix
- 592,000,000 mm⁴ (+2.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology