Steel Beam Sizes / Europe / HD Sections / HD 400×1299
HD 400×1299 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 400×1299 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 | 872.89 lb/ft | 1,299.00 kg/m |
| Depth, d | 23.62 in | 600.00 mm |
| Flange width, bf | 18.74 in | 476.00 mm |
| tw | 3.937 in | 100.000 mm |
| tf | 5.512 in | 140.000 mm |
| Area | 256.53 in² | 165,500.00 mm² |
| Ix | 18,138.95 in⁴ | 7,550,000,000 mm⁴ |
| Iy | 6,102.37 in⁴ | 2,540,000,000 mm⁴ |
| Sx | 1,537.80 in³ | 25,200,000 mm³ |
| Sy | 652.95 in³ | 10,700,000 mm³ |
| Zx | 2,025.99 in³ | 33,200,000 mm³ |
| Zy | 1,019.10 in³ | 16,700,000 mm³ |
| rx | 8.43 in | 214.00 mm |
| ry | 4.88 in | 124.00 mm |
| J | 2,267.97 in⁴ | 944,000,000 mm⁴ |
| Cw | 495,650.74 in⁶ | 133,100,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HD 400×1299.
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology