Steel Beam Sizes / Europe / HD Sections / HD 320×74.2
HD 320×74.2 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 320×74.2 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 | 49.86 lb/ft | 74.20 kg/m |
| Depth, d | 11.85 in | 301.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.315 in | 8.000 mm |
| tf | 0.433 in | 11.000 mm |
| Area | 14.66 in² | 9,460.00 mm² |
| Ix | 394.01 in⁴ | 164,000,000 mm⁴ |
| Iy | 119.16 in⁴ | 49,600,000 mm⁴ |
| Sx | 66.52 in³ | 1,090,000 mm³ |
| Sy | 20.20 in³ | 331,000.00 mm³ |
| Zx | 73.23 in³ | 1,200,000 mm³ |
| Zy | 30.88 in³ | 506,000.00 mm³ |
| rx | 5.20 in | 132.00 mm |
| ry | 2.85 in | 72.40 mm |
| J | 1.29 in⁴ | 536,000.00 mm⁴ |
| Cw | 3,872.85 in⁶ | 1,040,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HD 320×74.2.
Lighter in HD wide flange columns
HD 260×68.2
- Weight
- 68.2 kg/m (-8.1%)
- Depth
- 250.0 mm (-17%)
- Ix
- 104,000,000 mm⁴ (-37%)
Heavier in HD wide flange columns
HD 260×93.0
- Weight
- 93.0 kg/m (+25%)
- Depth
- 260.0 mm (-14%)
- Ix
- 149,000,000 mm⁴ (-9.1%)
Closest Iₓ in HD wide flange columns
HD 260×114
- Weight
- 114.0 kg/m (+54%)
- Depth
- 268.0 mm (-11%)
- Ix
- 189,000,000 mm⁴ (+15%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology