Steel Beam Sizes / Europe / HD Sections / HD 320×127
HD 320×127 Dimensions, Weight and Section Properties
EN HD wide flange columns · v2026.1
HD 320×127: 320 mm depth, 300 mm flange width, 127 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HD 320×127 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 | 85.34 lb/ft | 127.00 kg/m |
| Depth, d | 12.60 in | 320.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.453 in | 11.500 mm |
| tf | 0.807 in | 20.500 mm |
| Area | 24.96 in² | 16,100.00 mm² |
| Ix | 739.97 in⁴ | 308,000,000 mm⁴ |
| Iy | 221.99 in⁴ | 92,400,000 mm⁴ |
| Sx | 117.78 in³ | 1,930,000 mm³ |
| Sy | 37.59 in³ | 616,000.00 mm³ |
| Zx | 131.20 in³ | 2,150,000 mm³ |
| Zy | 57.30 in³ | 939,000.00 mm³ |
| rx | 5.43 in | 138.00 mm |
| ry | 2.98 in | 75.70 mm |
| J | 5.53 in⁴ | 2,300,000 mm⁴ |
| Cw | 7,708.47 in⁶ | 2,070,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HD 320×127.
Lighter in HD wide flange columns
HD 260×114
- Weight
- 114.0 kg/m (-10%)
- Depth
- 268.0 mm (-16%)
- Ix
- 189,000,000 mm⁴ (-39%)
Heavier in HD wide flange columns
HD 360×134
- Weight
- 134.0 kg/m (+5.5%)
- Depth
- 356.0 mm (+11%)
- Ix
- 415,000,000 mm⁴ (+35%)
Another Iₓ option in HD wide flange columns
HD 260×172
- Weight
- 172.0 kg/m (+35%)
- Depth
- 290.0 mm (-9.4%)
- Ix
- 313,000,000 mm⁴ (+1.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology