Steel Beam Sizes / Europe / HE Sections / HE 450 B
HE 450 B 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 B 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 | 114.91 lb/ft | 171.00 kg/m |
| Depth, d | 17.72 in | 450.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.551 in | 14.000 mm |
| tf | 1.024 in | 26.000 mm |
| Area | 33.79 in² | 21,800.00 mm² |
| Ix | 1,919.61 in⁴ | 799,000,000 mm⁴ |
| Iy | 281.09 in⁴ | 117,000,000 mm⁴ |
| Sx | 216.63 in³ | 3,550,000 mm³ |
| Sy | 47.66 in³ | 781,000.00 mm³ |
| Zx | 242.87 in³ | 3,980,000 mm³ |
| Zy | 73.23 in³ | 1,200,000 mm³ |
| rx | 7.52 in | 191.00 mm |
| ry | 2.89 in | 73.30 mm |
| J | 10.76 in⁴ | 4,480,000 mm⁴ |
| Cw | 19,587.70 in⁶ | 5,260,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 450 B.
Lighter in HE wide flange sections
HE 550 A
- Weight
- 166.0 kg/m (-2.9%)
- Depth
- 540.0 mm (+20%)
- Ix
- 1,120,000,000 mm⁴ (+40%)
Heavier in HE wide flange sections
HE 260 M
- Weight
- 172.0 kg/m (+0.6%)
- Depth
- 290.0 mm (-36%)
- Ix
- 313,000,000 mm⁴ (-61%)
Closest Iₓ in HE wide flange sections
HE 340 M
- Weight
- 248.0 kg/m (+45%)
- Depth
- 377.0 mm (-16%)
- Ix
- 764,000,000 mm⁴ (-4.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology