Steel Beam Sizes / Europe / HE Sections / HE 800 B
HE 800 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 800 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 | 176.06 lb/ft | 262.00 kg/m |
| Depth, d | 31.50 in | 800.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.689 in | 17.500 mm |
| tf | 1.299 in | 33.000 mm |
| Area | 51.77 in² | 33,400.00 mm² |
| Ix | 8,625.01 in⁴ | 3,590,000,000 mm⁴ |
| Iy | 357.97 in⁴ | 149,000,000 mm⁴ |
| Sx | 547.99 in³ | 8,980,000 mm³ |
| Sy | 60.66 in³ | 994,000.00 mm³ |
| Zx | 622.44 in³ | 10,200,000 mm³ |
| Zy | 94.59 in³ | 1,550,000 mm³ |
| rx | 12.91 in | 328.00 mm |
| ry | 2.63 in | 66.80 mm |
| J | 23.04 in⁴ | 9,590,000 mm⁴ |
| Cw | 81,180.96 in⁶ | 21,800,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 800 B.
Lighter in HE wide flange sections
HE 400 M
- Weight
- 256.0 kg/m (-2.3%)
- Depth
- 432.0 mm (-46%)
- Ix
- 1,040,000,000 mm⁴ (-71%)
Heavier in HE wide flange sections
HE 450 M
- Weight
- 263.0 kg/m (+0.4%)
- Depth
- 478.0 mm (-40%)
- Ix
- 1,320,000,000 mm⁴ (-63%)
Closest Iₓ in HE wide flange sections
HE 600×399
- Weight
- 399.0 kg/m (+52%)
- Depth
- 648.0 mm (-19%)
- Ix
- 3,450,000,000 mm⁴ (-3.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology