Steel Beam Sizes / Europe / HE Sections / HE 300 B
HE 300 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 300 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 | 78.62 lb/ft | 117.00 kg/m |
| Depth, d | 11.81 in | 300.00 mm |
| Flange width, bf | 11.81 in | 300.00 mm |
| tw | 0.433 in | 11.000 mm |
| tf | 0.748 in | 19.000 mm |
| Area | 23.10 in² | 14,900.00 mm² |
| Ix | 605.43 in⁴ | 252,000,000 mm⁴ |
| Iy | 205.65 in⁴ | 85,600,000 mm⁴ |
| Sx | 102.52 in³ | 1,680,000 mm³ |
| Sy | 34.84 in³ | 571,000.00 mm³ |
| Zx | 114.11 in³ | 1,870,000 mm³ |
| Zy | 53.09 in³ | 870,000.00 mm³ |
| rx | 5.12 in | 130.00 mm |
| ry | 2.98 in | 75.80 mm |
| J | 4.54 in⁴ | 1,890,000 mm⁴ |
| Cw | 6,293.39 in⁶ | 1,690,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 300 B.
Lighter in HE wide flange sections
HE 360 A
- Weight
- 112.0 kg/m (-4.3%)
- Depth
- 350.0 mm (+17%)
- Ix
- 331,000,000 mm⁴ (+31%)
Heavier in HE wide flange sections
HE 240 C
- Weight
- 119.0 kg/m (+1.7%)
- Depth
- 255.0 mm (-15%)
- Ix
- 173,000,000 mm⁴ (-31%)
Closest Iₓ in HE wide flange sections
HE 240 M
- Weight
- 157.0 kg/m (+34%)
- Depth
- 270.0 mm (-10%)
- Ix
- 243,000,000 mm⁴ (-3.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology