Steel Beam Sizes / Europe / HE Sections / HE 450 AA
HE 450 AA Dimensions, Weight and Section Properties
EN HE wide flange sections · v2026.1
HE 450 AA: 425 mm depth, 300 mm flange width, 99.7 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HE 450 AA 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 | 67.00 lb/ft | 99.70 kg/m |
| Depth, d | 16.73 in | 425.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.394 in | 10.000 mm |
| tf | 0.531 in | 13.500 mm |
| Area | 19.69 in² | 12,700.00 mm² |
| Ix | 1,006.65 in⁴ | 419,000,000 mm⁴ |
| Iy | 146.31 in⁴ | 60,900,000 mm⁴ |
| Sx | 120.22 in³ | 1,970,000 mm³ |
| Sy | 24.78 in³ | 406,000.00 mm³ |
| Zx | 133.03 in³ | 2,180,000 mm³ |
| Zy | 38.08 in³ | 624,000.00 mm³ |
| rx | 7.17 in | 182.00 mm |
| ry | 2.72 in | 69.20 mm |
| J | 2.20 in⁴ | 914,000.00 mm⁴ |
| Cw | 9,570.42 in⁶ | 2,570,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HE 450 AA.
Lighter in HE wide flange sections
HE 320 A
- Weight
- 97.6 kg/m (-2.1%)
- Depth
- 310.0 mm (-27%)
- Ix
- 229,000,000 mm⁴ (-45%)
Heavier in HE wide flange sections
HE 200 M
- Weight
- 103.0 kg/m (+3.3%)
- Depth
- 220.0 mm (-48%)
- Ix
- 106,000,000 mm⁴ (-75%)
Another Iₓ option in HE wide flange sections
HE 300 C
- Weight
- 177.0 kg/m (+78%)
- Depth
- 320.0 mm (-25%)
- Ix
- 410,000,000 mm⁴ (-2.1%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology