Steel Beam Sizes / Europe / HE Sections / HE 450 M
HE 450 M Steel Beam Dimensions and Properties
EN HE wide flange sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HE 450 M 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 | 176.73 lb/ft | 263.00 kg/m |
| Depth, d | 18.82 in | 478.00 mm |
| Flange width, bf | 12.09 in | 307.00 mm |
| tw | 0.827 in | 21.000 mm |
| tf | 1.575 in | 40.000 mm |
| Area | 51.93 in² | 33,500.00 mm² |
| Ix | 3,171.31 in⁴ | 1,320,000,000 mm⁴ |
| Iy | 463.68 in⁴ | 193,000,000 mm⁴ |
| Sx | 335.63 in³ | 5,500,000 mm³ |
| Sy | 76.89 in³ | 1,260,000 mm³ |
| Zx | 386.28 in³ | 6,330,000 mm³ |
| Zy | 118.39 in³ | 1,940,000 mm³ |
| rx | 7.80 in | 198.00 mm |
| ry | 2.99 in | 75.90 mm |
| J | 36.76 in⁴ | 15,300,000 mm⁴ |
| Cw | 34,446.05 in⁶ | 9,250,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 450 M.
Lighter in HE wide flange sections
HE 800 B
- Weight
- 262.0 kg/m (-0.4%)
- Depth
- 800.0 mm (+67%)
- Ix
- 3,590,000,000 mm⁴ (+172%)
Heavier in HE wide flange sections
HE 500 M
- Weight
- 270.0 kg/m (+2.7%)
- Depth
- 524.0 mm (+9.6%)
- Ix
- 1,620,000,000 mm⁴ (+23%)
Closest Iₓ in HE wide flange sections
HE 550 B
- Weight
- 199.0 kg/m (-24%)
- Depth
- 550.0 mm (+15%)
- Ix
- 1,370,000,000 mm⁴ (+3.8%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology