Steel Beam Sizes / Europe / HD Sections / HD 400×677
HD 400×677 Steel Beam Dimensions and Properties
EN HD wide flange columns · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HD 400×677 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 | 454.92 lb/ft | 677.00 kg/m |
| Depth, d | 19.02 in | 483.00 mm |
| Flange width, bf | 16.85 in | 428.00 mm |
| tw | 2.016 in | 51.200 mm |
| tf | 3.209 in | 81.500 mm |
| Area | 133.77 in² | 86,300.00 mm² |
| Ix | 7,207.53 in⁴ | 3,000,000,000 mm⁴ |
| Iy | 2,570.69 in⁴ | 1,070,000,000 mm⁴ |
| Sx | 756.69 in³ | 12,400,000 mm³ |
| Sy | 304.51 in³ | 4,990,000 mm³ |
| Zx | 939.77 in³ | 15,400,000 mm³ |
| Zy | 468.66 in³ | 7,680,000 mm³ |
| rx | 7.32 in | 186.00 mm |
| ry | 4.37 in | 111.00 mm |
| J | 394.01 in⁴ | 164,000,000 mm⁴ |
| Cw | 159,755.20 in⁶ | 42,900,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HD 400×677.
Lighter in HD wide flange columns
HD 400×634
- Weight
- 634.0 kg/m (-6.4%)
- Depth
- 474.0 mm (-1.9%)
- Ix
- 2,740,000,000 mm⁴ (-8.7%)
Heavier in HD wide flange columns
HD 400×744
- Weight
- 744.0 kg/m (+9.9%)
- Depth
- 498.0 mm (+3.1%)
- Ix
- 3,420,000,000 mm⁴ (+14%)
Closest Iₓ in HD wide flange columns
HD 400×592
- Weight
- 592.0 kg/m (-13%)
- Depth
- 465.0 mm (-3.7%)
- Ix
- 2,500,000,000 mm⁴ (-17%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology